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KENNEDY SPACE CENTER, FLA. - The mated Pegasus XL and Galaxy Evolution Explorer (GALEX) satellite arrive at Cape Canaveral Air Force Station. The GALEX, to be launched April 28 from an Orbital Sciences L-1011 aircraft, will carry into space an orbiting telescope that will observe a million galaxies across 10 billion years of cosmic history to help astronomers determine when the stars and elements we see today had their origins. The spacecraft will sweep the skies for 28 months using state-of-the-art ultraviolet detectors to single out galaxies dominated by young, hot, short-lived stars that give off a great deal of energy at that wavelength. These galaxies are actively creating stars, and therefore provide a window into the history and causes of star formation in galaxies. KSC-03pd1238

KENNEDY SPACE CENTER, FLA. - The mated Pegasus XL and Galaxy Evolution...

KENNEDY SPACE CENTER, FLA. - The mated Pegasus XL and Galaxy Evolution Explorer (GALEX) satellite arrive at Cape Canaveral Air Force Station. The GALEX, to be launched April 28 from an Orbital Sciences L-1011 ... More

KENNEDY SPACE CENTER, FLA. - At Cape Canaveral Air Force Station, workers prepare to attach the mated Pegasus XL and Galaxy Evolution Explorer (GALEX) satellite to the Orbital Sciences L-1011 aircraft. The GALEX, to be launched April 28 from the L-1011, will carry into space an orbiting telescope that will observe a million galaxies across 10 billion years of cosmic history to help astronomers determine when the stars and elements we see today had their origins. The spacecraft will sweep the skies for 28 months using state-of-the-art ultraviolet detectors to single out galaxies dominated by young, hot, short-lived stars that give off a great deal of energy at that wavelength. These galaxies are actively creating stars, and therefore provide a window into the history and causes of star formation in galaxies. KSC-03pd1243

KENNEDY SPACE CENTER, FLA. - At Cape Canaveral Air Force Station, work...

KENNEDY SPACE CENTER, FLA. - At Cape Canaveral Air Force Station, workers prepare to attach the mated Pegasus XL and Galaxy Evolution Explorer (GALEX) satellite to the Orbital Sciences L-1011 aircraft. The GAL... More

KENNEDY SPACE CENTER, FLA. - An artist’s conception of the autonomous Demonstration for Autonomous Rendezvous (DART) spacecraft as it approaches the Multiple Paths, Beyond-Line-of-Site Communications (MUBLCOM) satellite. NASA is testing the DART as a docking system for next generation vehicles to guide spacecraft carrying cargo or equipment to the International Space Station, or retrieving or servicing satellites in orbit. Before the new system can be implemented on piloted spacecraft, it has to be tested in space. The computer-guided DART is equipped with an Advanced Video Guidance Sensor and a Global Positioning System that can receive signals from other spacecraft to allow DART to move within 330 feet of the target. DART is scheduled to launch from Vandenberg Air Force Base in California no earlier than Oct. 18. It will be released from a Pegasus XL launch vehicle carried aloft by an Orbital Sciences Corporation aircraft. The fourth stage of the Pegasus rocket will remain attached as an integral part of the spacecraft, allowing it to maneuver in space. Once in orbit, DART will race toward the target, the MUBLCOM satellite, for a rendezvous. KSC-04pd1684

KENNEDY SPACE CENTER, FLA. - An artist’s conception of the autonomous ...

KENNEDY SPACE CENTER, FLA. - An artist’s conception of the autonomous Demonstration for Autonomous Rendezvous (DART) spacecraft as it approaches the Multiple Paths, Beyond-Line-of-Site Communications (MUBLCOM) ... More

KENNEDY SPACE CENTER, FLA. - An artist’s conception of the autonomous Demonstration for Autonomous Rendezvous (DART) spacecraft as it approaches the Multiple Paths, Beyond-Line-of-Site Communications (MUBLCOM) satellite. NASA is testing the DART as a docking system for next generation vehicles to guide spacecraft carrying cargo or equipment to the International Space Station, or retrieving or servicing satellites in orbit. Before the new system can be implemented on piloted spacecraft, it has to be tested in space. The computer-guided DART is equipped with an Advanced Video Guidance Sensor and a Global Positioning System that can receive signals from other spacecraft to allow DART to move within 330 feet of the target. DART is scheduled to launch from Vandenberg Air Force Base in California no earlier than Oct. 18. It will be released from a Pegasus XL launch vehicle carried aloft by an Orbital Sciences Corporation aircraft. The fourth stage of the Pegasus rocket will remain attached as an integral part of the spacecraft, allowing it to maneuver in space. Once in orbit, DART will race toward the target, the MUBLCOM satellite, for a rendezvous. KSC-04pd1685

KENNEDY SPACE CENTER, FLA. - An artist’s conception of the autonomous ...

KENNEDY SPACE CENTER, FLA. - An artist’s conception of the autonomous Demonstration for Autonomous Rendezvous (DART) spacecraft as it approaches the Multiple Paths, Beyond-Line-of-Site Communications (MUBLCOM) ... More

KENNEDY SPACE CENTER, FLA. - An artist’s conception of the autonomous Demonstration for Autonomous Rendezvous (DART) spacecraft as it approaches the Multiple Paths, Beyond-Line-of-Site Communications (MUBLCOM) satellite. NASA is testing the DART as a docking system for next generation vehicles to guide spacecraft carrying cargo or equipment to the International Space Station, or retrieving or servicing satellites in orbit. Before the new system can be implemented on piloted spacecraft, it has to be tested in space. The computer-guided DART is equipped with an Advanced Video Guidance Sensor and a Global Positioning System that can receive signals from other spacecraft to allow DART to move within 330 feet of the target. DART is scheduled to launch from Vandenberg Air Force Base in California no earlier than Oct. 18. It will be released from a Pegasus XL launch vehicle carried aloft by an Orbital Sciences Corporation aircraft. The fourth stage of the Pegasus rocket will remain attached as an integral part of the spacecraft, allowing it to maneuver in space. Once in orbit, DART will race toward the target, the MUBLCOM satellite, for a rendezvous. KSC-04pd1686

KENNEDY SPACE CENTER, FLA. - An artist’s conception of the autonomous ...

KENNEDY SPACE CENTER, FLA. - An artist’s conception of the autonomous Demonstration for Autonomous Rendezvous (DART) spacecraft as it approaches the Multiple Paths, Beyond-Line-of-Site Communications (MUBLCOM) ... More

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft is ready for mating with the upper stage of the Orbital Sciences Pegasus XL behind it (right). DART was designed and built for NASA by Orbital Sciences Corporation as an advanced flight demonstrator to locate and maneuver near an orbiting satellite. DART weighs about 800 pounds and is nearly 6 feet long and 3 feet in diameter. The Pegasus XL will launch DART into a circular polar orbit of approximately 475 miles. DART is designed to demonstrate technologies required for a spacecraft to locate and rendezvous, or maneuver close to, other craft in space. Results from the DART mission will aid in the development of NASA’s Crew Exploration Vehicle and will also assist in vehicle development for crew transfer and crew rescue capability to and from the International Space Station. KSC-04pd1821

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in Californi...

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft is ready for mating with the upper stage of the Orbital Sciences ... More

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, workers prepare to mate the second and third stages of the Orbital Sciences Pegasus XL launch vehicle that will launch the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft. DART was designed and built for NASA by Orbital Sciences Corporation as an advanced flight demonstrator to locate and maneuver near an orbiting satellite. DART weighs about 800 pounds and is nearly 6 feet long and 3 feet in diameter. The Pegasus XL will launch DART into a circular polar orbit of approximately 475 miles. DART is designed to demonstrate technologies required for a spacecraft to locate and rendezvous, or maneuver close to, other craft in space. Results from the DART mission will aid in the development of NASA's Crew Exploration Vehicle and will also assist in vehicle development for crew transfer and crew rescue capability to and from the International Space Station. KSC-04pd1815

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in Californi...

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, workers prepare to mate the second and third stages of the Orbital Sciences Pegasus XL launch vehicle that will launch the Demonstration ... More

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, workers begin closing the gap between the second and third stages of the Orbital Sciences Pegasus XL launch vehicle that will launch the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft. DART was designed and built for NASA by Orbital Sciences Corporation as an advanced flight demonstrator to locate and maneuver near an orbiting satellite. DART weighs about 800 pounds and is nearly 6 feet long and 3 feet in diameter. The Pegasus XL will launch DART into a circular polar orbit of approximately 475 miles. DART is designed to demonstrate technologies required for a spacecraft to locate and rendezvous, or maneuver close to, other craft in space. Results from the DART mission will aid in the development of NASA's Crew Exploration Vehicle and will also assist in vehicle development for crew transfer and crew rescue capability to and from the International Space Station. KSC-04pd1823

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in Californi...

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, workers begin closing the gap between the second and third stages of the Orbital Sciences Pegasus XL launch vehicle that will launch the ... More

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, workers begin mating the second and third stages of the Orbital Sciences Pegasus XL launch vehicle that will launch the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft. DART was designed and built for NASA by Orbital Sciences Corporation as an advanced flight demonstrator to locate and maneuver near an orbiting satellite. DART weighs about 800 pounds and is nearly 6 feet long and 3 feet in diameter. The Pegasus XL will launch DART into a circular polar orbit of approximately 475 miles. DART is designed to demonstrate technologies required for a spacecraft to locate and rendezvous, or maneuver close to, other craft in space. Results from the DART mission will aid in the development of NASA's Crew Exploration Vehicle and will also assist in vehicle development for crew transfer and crew rescue capability to and from the International Space Station. KSC-04pd1822

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in Californi...

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, workers begin mating the second and third stages of the Orbital Sciences Pegasus XL launch vehicle that will launch the Demonstration of ... More

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, a worker prepares the second and third stages of the Orbital Sciences Pegasus XL launch vehicle for mating. The Pegasus XL will launch the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft. DART was designed and built for NASA by Orbital Sciences Corporation as an advanced flight demonstrator to locate and maneuver near an orbiting satellite. DART weighs about 800 pounds and is nearly 6 feet long and 3 feet in diameter. The Pegasus XL will launch DART into a circular polar orbit of approximately 475 miles. DART is designed to demonstrate technologies required for a spacecraft to locate and rendezvous, or maneuver close to, other craft in space. Results from the DART mission will aid in the development of NASA’s Crew Exploration Vehicle and will also assist in vehicle development for crew transfer and crew rescue capability to and from the International Space Station. KSC-04pd1816

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in Californi...

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, a worker prepares the second and third stages of the Orbital Sciences Pegasus XL launch vehicle for mating. The Pegasus XL will launch t... More

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft (right) is ready for mating with the upper stage (behind it) in preparation for launch on the Orbital Sciences Pegasus XL. DART was designed and built for NASA by Orbital Sciences Corporation as an advanced flight demonstrator to locate and maneuver near an orbiting satellite. DART weighs about 800 pounds and is nearly 6 feet long and 3 feet in diameter. The Pegasus XL will launch DART into a circular polar orbit of approximately 475 miles. DART is designed to demonstrate technologies required for a spacecraft to locate and rendezvous, or maneuver close to, other craft in space. Results from the DART mission will aid in the development of NASA’s Crew Exploration Vehicle and will also assist in vehicle development for crew transfer and crew rescue capability to and from the International Space Station. KSC-04pd1825

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in Californi...

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft (right) is ready for mating with the upper stage (behind it) in p... More

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft (right) is ready for mating with the upper stage (foreground) in preparation for launch on the Orbital Sciences Pegasus XL. DART was designed and built for NASA by Orbital Sciences Corporation as an advanced flight demonstrator to locate and maneuver near an orbiting satellite. DART weighs about 800 pounds and is nearly 6 feet long and 3 feet in diameter. The Pegasus XL will launch DART into a circular polar orbit of approximately 475 miles. DART is designed to demonstrate technologies required for a spacecraft to locate and rendezvous, or maneuver close to, other craft in space. Results from the DART mission will aid in the development of NASA’s Crew Exploration Vehicle and will also assist in vehicle development for crew transfer and crew rescue capability to and from the International Space Station. KSC-04pd1826

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in Californi...

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft (right) is ready for mating with the upper stage (foreground) in ... More

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, workers maneuver the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft, suspended by a crane, over the upper stage in preparation for launch on the Orbital Sciences Pegasus XL. The Pegasus XL will launch DART into a circular polar orbit of approximately 475 miles. Built for NASA by Orbital Sciences Corporation, DART was designed as an advanced flight demonstrator to locate and maneuver near an orbiting satellite. DART weighs about 800 pounds and is nearly 6 feet long and 3 feet in diameter. DART is designed to demonstrate technologies required for a spacecraft to locate and rendezvous, or maneuver close to, other craft in space. Results from the DART mission will aid in the development of NASA’s Crew Exploration Vehicle and will also assist in vehicle development for crew transfer and crew rescue capability to and from the International Space Station. KSC-04pd1827

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in Californi...

KENNEDY SPACE CENTER, FLA. - At Vandenberg Air Force Base in California, workers maneuver the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft, suspended by a crane, over the upper stage in p... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences Building 1555 at Vandenberg Air Force Base in California, workers move the aft skirt toward the Pegasus XL launch vehicle for mating. The Pegasus will launch the Space Technology 5 spacecraft later this month. ST5 contains three micro-satellites that will be positioned in a "string of pearls" constellation to perform simultaneous multi-point measurements of the Earth's magnetic field using highly sensitive magnetometers. The scheduled launch date is Feb. 28. KSC-06pd0258

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences Buildin...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences Building 1555 at Vandenberg Air Force Base in California, workers move the aft skirt toward the Pegasus XL launch vehicle for mating. The Pegasus ... More

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in California, workers are moving the Space Technology 5 (ST5) spacecraft into Orbital Sciences’ Building 1555. There it will be mated with the Pegasus XL launch vehicle. ST5 will be launched by a Pegasus XL rocket. The satellites contain miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled for Feb. 28 from Vandenberg Air Force Base. KSC-06pd0182

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in California, workers are moving the Space Technology 5 (ST5) spacecraft into Orbital Sciences’ Building 1555. There it will be mated with th... More

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in California, workers are moving the Space Technology 5 (ST5) spacecraft out of the Orbital Sciences Building 836 onto a truck for transfer to Building 1555. There it will be mated with the Pegasus XL launch vehicle. ST5 will be launched by a Pegasus XL rocket. The satellites contain miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled for Feb. 28 from Vandenberg Air Force Base. KSC-06pd0179

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in California, workers are moving the Space Technology 5 (ST5) spacecraft out of the Orbital Sciences Building 836 onto a truck for transfer to... More

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in California, workers are moving the Space Technology 5 (ST5) spacecraft out of the truck into Orbital Sciences’ Building 1555. There it will be mated with the Pegasus XL launch vehicle. ST5 will be launched by a Pegasus XL rocket. The satellites contain miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled for Feb. 28 from Vandenberg Air Force Base. KSC-06pd0180

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in California, workers are moving the Space Technology 5 (ST5) spacecraft out of the truck into Orbital Sciences’ Building 1555. There it will... More

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in California, workers are moving the Space Technology 5 (ST5) spacecraft into Orbital Sciences’ Building 1555. There it will be mated with the Pegasus XL launch vehicle. ST5 will be launched by a Pegasus XL rocket. The satellites contain miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled for Feb. 28 from Vandenberg Air Force Base. KSC-06pd0181

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. — At Vandenberg Air Force Base in California, workers are moving the Space Technology 5 (ST5) spacecraft into Orbital Sciences’ Building 1555. There it will be mated with th... More

VANDENBERG AIR FORCE BASE, Calif. — Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the wrapped Space Technology 5 (ST5) spacecraft is ready for mating to the Pegasus XL launch vehicle. The satellites contain miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled for Feb. 28 from Vandenberg Air Force Base. KSC-06pd0188

VANDENBERG AIR FORCE BASE, Calif. — Inside Orbital Sciences’ Buildin...

VANDENBERG AIR FORCE BASE, Calif. — Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the wrapped Space Technology 5 (ST5) spacecraft is ready for mating to the Pegasus XL lau... More

VANDENBERG AIR FORCE BASE, Calif. — Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the wrapped Space Technology 5 (ST5) spacecraft is being prepared for mating to the Pegasus XL launch vehicle. The satellites contain miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled for Feb. 28 from Vandenberg Air Force Base. KSC-06pd0187

VANDENBERG AIR FORCE BASE, Calif. — Inside Orbital Sciences’ Buildin...

VANDENBERG AIR FORCE BASE, Calif. — Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the wrapped Space Technology 5 (ST5) spacecraft is being prepared for mating to the Pegas... More

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers begin the mating process of the Space Technology 5 (ST5), at right, with the Pegasus XL launch vehicle, at left. The ST5 contains three microsatellites, with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled no earlier than March 6 from Vandenberg Air Force Base. KSC-06pd0339

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at...

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers begin the mating process of the Space Technology 5 (ST5), at right, with the Pegasus XL la... More

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Space Technology 5 (ST5) spacecraft is ready for mating to the Pegasus XL launch vehicle. Seen in the photo are the three satellites that make up the ST5, containing miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled no earlier than March 6 from Vandenberg Air Force Base. KSC-06pd0335

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 a...

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Space Technology 5 (ST5) spacecraft is ready for mating to the Pegasus XL launch vehicle. See... More

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Pegasus XL launch vehicle is complete after mating with the Space Technology 5 (ST5). The ST5 contains three microsatellites, with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled no earlier than March 6 from Vandenberg Air Force Base. KSC-06pd0340

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at...

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Pegasus XL launch vehicle is complete after mating with the Space Technology 5 (ST5). The ST5 ... More

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, a worker examines the end of the Pegasus XL launch vehicle that will be mated with the Space Technology 5 (ST5) spacecraft. The ST5 contains three microsatellites with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled no earlier than March 6 from Vandenberg Air Force Base. KSC-06pd0338

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at...

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, a worker examines the end of the Pegasus XL launch vehicle that will be mated with the Space Techn... More

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Space Technology 5 (ST5) spacecraft is ready for mating to the Pegasus XL launch vehicle. Seen in the photo are the three satellites that make up the ST5, containing miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled no earlier than March 6 from Vandenberg Air Force Base. KSC-06pd0336

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at...

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Space Technology 5 (ST5) spacecraft is ready for mating to the Pegasus XL launch vehicle. Seen... More

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Pegasus XL launch vehicle is ready for mating with the Space Technology 5 (ST5) spacecraft. The ST5 contains three microsatellites with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled no earlier than March 6 from Vandenberg Air Force Base. KSC-06pd0337

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at...

KENNEDY SPACE CENTER, FLA. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Pegasus XL launch vehicle is ready for mating with the Space Technology 5 (ST5) spacecraft. T... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Pegasus XL launch vehicle stands ready for mating with the Space Technology 5 (ST5) spacecraft. The ST5 contains three microsatellites with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled from the belly of an L-1011 carrier aircraft no earlier than March 14 from Vandenberg Air Force Base. KSC-06pd0429

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Pegasus XL launch vehicle stands ready for mating with the Space Technology 5 (ST5) spa... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, a worker completes connections on the Space Technology 5 (ST5) spacecraft before enclosure. The ST5, mated to Orbital Sciences' Pegasus XL launch vehicle, contains three microsatellites with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled from the belly of an L-1011 carrier aircraft no earlier than March 14 from Vandenberg Air Force Base. KSC-06pd0435

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, a worker completes connections on the Space Technology 5 (ST5) spacecraft before enclosure.... More

VANDENBERG AIR FORCE BASE, CALIF. -Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, a worker checks connections on the Space Technology 5 (ST5) spacecraft before encapsulation with the fairing. The ST5, mated to Orbital Sciences' Pegasus XL launch vehicle, contains three microsatellites with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled from the belly of an L-1011 carrier aircraft no earlier than March 14 from Vandenberg Air Force Base. KSC-06pd0437

VANDENBERG AIR FORCE BASE, CALIF. -Inside Orbital Sciences’ Building 1...

VANDENBERG AIR FORCE BASE, CALIF. -Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, a worker checks connections on the Space Technology 5 (ST5) spacecraft before encapsulation ... More

VANDENBERG AIR FORCE BASE, CALIF. -Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California is the Pegasus XL launch vehicle and the Space Technology 5 (ST5) spacecraft being prepared for encapsulation before launch. The ST5, mated to Orbital Sciences' Pegasus XL launch vehicle, contains three microsatellites with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled from the belly of an L-1011 carrier aircraft no earlier than March 14 from Vandenberg Air Force Base. KSC-06pd0436

VANDENBERG AIR FORCE BASE, CALIF. -Inside Orbital Sciences’ Building 1...

VANDENBERG AIR FORCE BASE, CALIF. -Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California is the Pegasus XL launch vehicle and the Space Technology 5 (ST5) spacecraft being prepared f... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Pegasus XL launch vehicle stands ready for mating with the Space Technology 5 (ST5) spacecraft. The ST5 contains three microsatellites with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled from the belly of an L-1011 carrier aircraft no earlier than March 14 from Vandenberg Air Force Base. KSC-06pd0430

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Pegasus XL launch vehicle stands ready for mating with the Space Technology 5 (ST5) spa... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, this closeup shows two of the Space Technology 5 (ST5) spacecraft's microsatellites mounted on the payload structure that is mated to the Orbital Sciences' Pegasus XL launch vehicle. In the background is the fairing that will enclose the ST5 for launch. The ST5 contains three microsatellites with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled from the belly of an L-1011 carrier aircraft no earlier than March 14 from Vandenberg Air Force Base. KSC-06pd0433

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, this closeup shows two of the Space Technology 5 (ST5) spacecraft's microsatellites mounted... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers check the Orbital Sciences' Pegasus XL launch vehicle before encapsulation of the Space Technology 5 (ST5) spacecraft. The ST5 contains three microsatellites with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled from the belly of an L-1011 carrier aircraft no earlier than March 14 from Vandenberg Air Force Base. KSC-06pd0438

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers check the Orbital Sciences' Pegasus XL launch vehicle before encapsulation of the S... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Space Technology 5 (ST5) spacecraft waits for encapsulation after mating with the Orbital Sciences' Pegasus XL launch vehicle. The ST5 contains three microsatellites with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled from the belly of an L-1011 carrier aircraft no earlier than March 14 from Vandenberg Air Force Base. KSC-06pd0431

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, the Space Technology 5 (ST5) spacecraft waits for encapsulation after mating with the Orbit... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, this photo shows two of the Space Technology 5 (ST5) spacecraft's microsatellites mounted on the payload structure that is mated to the Orbital Sciences' Pegasus XL launch vehicle. The ST5 contains three microsatellites with miniaturized redundant components and technologies. Each will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. With such missions, NASA hopes to improve scientists’ ability to accurately forecast space weather and minimize its harmful effects on space- and ground-based systems. Launch of ST5 is scheduled from the belly of an L-1011 carrier aircraft no earlier than March 14 from Vandenberg Air Force Base. KSC-06pd0432

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, this photo shows two of the Space Technology 5 (ST5) spacecraft's microsatellites mounted o... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers adjust the first half of the fairing around the Space Technology 5 (ST5) spacecraft. The ST5, which contains three microsatellites with miniaturized redundant components and technologies, is mated to its launch vehicle, Orbital Sciences' Pegasus XL. Each of the ST5 microsatellites will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. Launch of ST5 and the Pegasus XL will be from underneath the belly of an L-1011 carrier aircraft on March 14 from Vandenberg Air Force Base. KSC-06pd0446

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers adjust the first half of the fairing around the Space Technology 5 (ST5) spacecraft... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers move the second half of the fairing into position around the Space Technology 5 (ST5) spacecraft. The ST5, which contains three microsatellites with miniaturized redundant components and technologies, is mated to its launch vehicle, Orbital Sciences' Pegasus XL. Each of the ST5 microsatellites will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. Launch of ST5 and the Pegasus XL will be from underneath the belly of an L-1011 carrier aircraft on March 14 from Vandenberg Air Force Base. KSC-06pd0447

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers move the second half of the fairing into position around the Space Technology 5 (ST... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers position the second half of the fairing into place around the Space Technology 5 (ST5) spacecraft. The ST5, which contains three microsatellites with miniaturized redundant components and technologies, is mated to its launch vehicle, Orbital Sciences' Pegasus XL. Each of the ST5 microsatellites will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. Launch of ST5 and the Pegasus XL will be from underneath the belly of an L-1011 carrier aircraft on March 14 from Vandenberg Air Force Base. KSC-06pd0448

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers position the second half of the fairing into place around the Space Technology 5 (S... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers continue the installation of the second half of the fairing around the Space Technology 5 (ST5) spacecraft. The ST5, which contains three microsatellites with miniaturized redundant components and technologies, is mated to its launch vehicle, Orbital Sciences' Pegasus XL. Each of the ST5 microsatellites will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. Launch of ST5 and the Pegasus XL will be from underneath the belly of an L-1011 carrier aircraft on March 14 from Vandenberg Air Force Base. KSC-06pd0450

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers continue the installation of the second half of the fairing around the Space Techno... More

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers check the placement of the second half of the fairing around the Space Technology 5 (ST5) spacecraft. The ST5, which contains three microsatellites with miniaturized redundant components and technologies, is mated to its launch vehicle, Orbital Sciences' Pegasus XL. Each of the ST5 microsatellites will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. Launch of ST5 and the Pegasus XL will be from underneath the belly of an L-1011 carrier aircraft on March 14 from Vandenberg Air Force Base. KSC-06pd0449

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building ...

VANDENBERG AIR FORCE BASE, CALIF. - Inside Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California, workers check the placement of the second half of the fairing around the Space Technology 5... More

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway at Vandenberg Air Force Base in California, the Space Technology 5's Pegasus rocket is placed in position to be mated to the underside of an Orbital Sciences L-1011 carrier aircraft. The ST5, which contains three microsatellites with miniaturized redundant components and technologies, is mated to its launch vehicle, Orbital Sciences' Pegasus XL. Each of the ST5 microsatellites will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. Launch of ST5 and the Pegasus XL will be from underneath the belly of an L-1011 carrier aircraft from Vandenberg Air Force Base. KSC-06pd0555

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway...

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway at Vandenberg Air Force Base in California, the Space Technology 5's Pegasus rocket is placed in position to be mated to the underside of a... More

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway at Vandenberg Air Force Base in California, a worker positions the vertical fin within the Orbital Sciences L-1011 aircraft. The fin will then be attached to the Space Technology 5's Pegasus rocket which will be mated to the underside of the carrier aircraft. The ST5, which contains three microsatellites with miniaturized redundant components and technologies, is mated to its launch vehicle, Orbital Sciences' Pegasus XL. Each of the ST5 microsatellites will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. Launch of ST5 and the Pegasus XL will be from underneath the belly of an L-1011 carrier aircraft from Vandenberg Air Force Base. KSC-06pd0556

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway...

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway at Vandenberg Air Force Base in California, a worker positions the vertical fin within the Orbital Sciences L-1011 aircraft. The fin will t... More

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway at Vandenberg Air Force Base in California, workers secure the Space Technology 5's Pegasus rocket to the underside of an Orbital Sciences L-1011 carrier aircraft. The ST5, which contains three microsatellites with miniaturized redundant components and technologies, is mated to its launch vehicle, Orbital Sciences' Pegasus XL. Each of the ST5 microsatellites will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. Launch of ST5 and the Pegasus XL will be from underneath the belly of an L-1011 carrier aircraft from Vandenberg Air Force Base. KSC-06pd0558

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway...

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway at Vandenberg Air Force Base in California, workers secure the Space Technology 5's Pegasus rocket to the underside of an Orbital Sciences ... More

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway at Vandenberg Air Force Base in California, workers install the Space Technology 5's Pegasus rocket beneath an Orbital Sciences L-1011 carrier aircraft. The ST5, which contains three microsatellites with miniaturized redundant components and technologies, is mated to its launch vehicle, Orbital Sciences' Pegasus XL. Each of the ST5 microsatellites will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. Launch of ST5 and the Pegasus XL will be from underneath the belly of an L-1011 carrier aircraft from Vandenberg Air Force Base. KSC-06pd0557

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway...

VANDENBERG AIR FORCE BASE, CALIF. - On the ramp adjacent to the runway at Vandenberg Air Force Base in California, workers install the Space Technology 5's Pegasus rocket beneath an Orbital Sciences L-1011 carr... More

VANDENBERG AIR FORCE BASE, CALIF. - Workers prepare to transport the Space Technology 5 (ST5) spacecraft from Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California to the L-1011 carrier aircraft in position on the ramp adjacent to the Vandenberg runway. The ST5, which contains three microsatellites with miniaturized redundant components and technologies, is mated to its launch vehicle, Orbital Sciences' Pegasus XL. Each of the ST5 microsatellites will validate New Millennium Program selected technologies, such as the Cold Gas Micro-Thruster and X-Band Transponder Communication System. After deployment from the Pegasus, the micro-satellites will be positioned in a “string of pearls” constellation that demonstrates the ability to position them to perform simultaneous multi-point measurements of the magnetic field using highly sensitive magnetometers. The data will help scientists understand and map the intensity and direction of the Earth’s magnetic field, its relation to space weather events, and affects on our planet. Launch of ST5 and the Pegasus XL will be from underneath the belly of an L-1011 carrier aircraft from Vandenberg Air Force Base. KSC-06pd0554

VANDENBERG AIR FORCE BASE, CALIF. - Workers prepare to transport the S...

VANDENBERG AIR FORCE BASE, CALIF. - Workers prepare to transport the Space Technology 5 (ST5) spacecraft from Orbital Sciences’ Building 1555 at Vandenberg Air Force Base in California to the L-1011 carrier air... More

Orbital Sciences Pegasus XL Flight Simulation

Orbital Sciences Pegasus XL Flight Simulation

At Vandenberg Air Force Base in California, a worker monitors the Orbital Sciences Pegasus XL rocket after a second flight simulation. The rocket is the launch vehicle for NASA's Aeronomy of Ice in the Mesosphe... More

Orbital Sciences Pegasus XL Mate

Orbital Sciences Pegasus XL Mate

At Vandenberg Air Force Base in California, the three stages of the Orbital Sciences Pegasus XL are being mated for the launch of NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, the three stages of the Orbital Sciences Pegasus XL are being mated for the launch of NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0650

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, the three stages of the Orbital Sciences Pegasus XL are being mated for the launch of NASA's Aeronomy of Ice in the Mesosphere, ... More

Orbital Sciences Pegasus XL Flight Simulation

Orbital Sciences Pegasus XL Flight Simulation

At Vandenberg Air Force Base in California, a worker monitors the data produced by the second flight simulation of the Orbital Sciences Pegasus XL rocket. The rocket is the launch vehicle for NASA's Aeronomy of... More

Orbital Sciences Pegasus XL Flight Simulation

Orbital Sciences Pegasus XL Flight Simulation

At Vandenberg Air Force Base in California, workers monitor the data produced by the second flight simulation of the Orbital Sciences Pegasus XL rocket. The rocket is the launch vehicle for NASA's Aeronomy of I... More

Orbital Sciences Pegasus XL Flight Simulation

Orbital Sciences Pegasus XL Flight Simulation

At Vandenberg Air Force Base in California, workers monitor the data produced by the second flight simulation of the Orbital Sciences Pegasus XL rocket. The rocket is the launch vehicle for NASA's Aeronomy of I... More

Orbital Sciences Pegasus XL Flight Simulation

Orbital Sciences Pegasus XL Flight Simulation

At Vandenberg Air Force Base in California, the Orbital Sciences Pegasus XL rocket undergoes its second flight simulation. The rocket is the launch vehicle for NASA's Aeronomy of Ice in the Mesosphere, or AIM, ... More

Orbital Sciences Pegasus XL Mate

Orbital Sciences Pegasus XL Mate

At Vandenberg Air Force Base in California, a technician on the work stand (center) prepares the second stage of the Orbital Sciences Pegasus XL rocket to be mated to the first stage, at left, for the launch of... More

Orbital Sciences Pegasus XL Flight Simulation

Orbital Sciences Pegasus XL Flight Simulation

Seen at Vandenberg Air Force Base in California is the fairing (foreground) for the Orbital Sciences Pegasus XL rocket. In the background is the third stage, under the clean room tent. The rocket is the launch ... More

Orbital Sciences Pegasus XL Mate

Orbital Sciences Pegasus XL Mate

At Vandenberg Air Force Base in California, the second and third stages of the Orbital Sciences Pegasus XL rocket wait for mating. The rocket is the launch vehicle for the NASA's Aeronomy of Ice in the Mesosphe... More

Orbital Sciences Pegasus XL Mate

Orbital Sciences Pegasus XL Mate

At Vandenberg Air Force Base in California, technicians discuss the process for mating the first and second stages of the Orbital Sciences Pegasus XL rocket in front of them. The rocket is the launch vehicle fo... More

Orbital Sciences Pegasus XL Mate

Orbital Sciences Pegasus XL Mate

At Vandenberg Air Force Base in California, a technician on the work stand prepares the first stage of the Orbital Sciences Pegasus XL rocket, at left, to be mated to the second stage, at right, for the launch ... More

Orbital Sciences Pegasus XL Mate

Orbital Sciences Pegasus XL Mate

At Vandenberg Air Force Base in California, the three stages of the Orbital Sciences Pegasus XL are being mated for the launch of NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh... More

Orbital Sciences Pegasus XL Mate

Orbital Sciences Pegasus XL Mate

At Vandenberg Air Force Base in California, a technician checks the final step in mating of the first and second stages of the Orbital Sciences Pegasus XL rocket. The rocket is the launch vehicle for NASA's Aer... More

Orbital Sciences Pegasus XL Mate

Orbital Sciences Pegasus XL Mate

At Vandenberg Air Force Base in California, a technician on the work stand prepares the second stage of the Orbital Sciences Pegasus XL rocket to be mated to the first stage, at left, for the launch of NASA's A... More

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers ensure the placement of NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft on a stand. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0675

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenb...

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers ensure the placement of NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft on a stand. A... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a technician on the work stand prepares the first stage of the Orbital Sciences Pegasus XL rocket, at left, to be mated to the second stage, at right, for the launch of NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0653

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a technician on the work stand prepares the first stage of the Orbital Sciences Pegasus XL rocket, at left, to be mated to the ... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, technicians discuss the process for mating the first and second stages of the Orbital Sciences Pegasus XL rocket in front of them. The rocket is the launch vehicle for NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0654

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, technicians discuss the process for mating the first and second stages of the Orbital Sciences Pegasus XL rocket in front of them... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a technician on the work stand (center) prepares the second stage of the Orbital Sciences Pegasus XL rocket to be mated to the first stage, at left, for the launch of NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0651

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a technician on the work stand (center) prepares the second stage of the Orbital Sciences Pegasus XL rocket to be mated to the f... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a technician on the work stand prepares the second stage of the Orbital Sciences Pegasus XL rocket to be mated to the first stage, at left, for the launch of NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0652

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a technician on the work stand prepares the second stage of the Orbital Sciences Pegasus XL rocket to be mated to the first sta... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, workers move the stand holding NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft under a clean room tent. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0676

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, workers move the stand holding NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft under a clean room tent. AIM is th... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a technician checks the final step in mating of the first and second stages of the Orbital Sciences Pegasus XL rocket. The rocket is the launch vehicle for NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0655

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a technician checks the final step in mating of the first and second stages of the Orbital Sciences Pegasus XL rocket. The rocke... More

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers stand beside NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft, waiting for an overhead crane. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0674

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenber...

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers stand beside NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft, waiting for an overhead c... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a worker monitors the data produced by the second flight simulation of the Orbital Sciences Pegasus XL rocket. The rocket is the launch vehicle for NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0659

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a worker monitors the data produced by the second flight simulation of the Orbital Sciences Pegasus XL rocket. The rocket is t... More

VANDENBERG AIR FORCE BASE, CALIF. -- Seen at Vandenberg Air Force Base in California is the fairing (foreground) for the Orbital Sciences Pegasus XL rocket. In the background is the third stage, under the clean room tent. The rocket is the launch vehicle for NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0657

VANDENBERG AIR FORCE BASE, CALIF. -- Seen at Vandenberg Air Force Bas...

VANDENBERG AIR FORCE BASE, CALIF. -- Seen at Vandenberg Air Force Base in California is the fairing (foreground) for the Orbital Sciences Pegasus XL rocket. In the background is the third stage, under the clea... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, workers monitor the data produced by the second flight simulation of the Orbital Sciences Pegasus XL rocket. The rocket is the launch vehicle for NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0661

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, workers monitor the data produced by the second flight simulation of the Orbital Sciences Pegasus XL rocket. The rocket is the... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, the Orbital Sciences Pegasus XL rocket undergoes its second flight simulation. The rocket is the launch vehicle for NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0656

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, the Orbital Sciences Pegasus XL rocket undergoes its second flight simulation. The rocket is the launch vehicle for NASA's Aeron... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, workers monitor the data produced by the second flight simulation of the Orbital Sciences Pegasus XL rocket. The rocket is the launch vehicle for NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0658

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, workers monitor the data produced by the second flight simulation of the Orbital Sciences Pegasus XL rocket. The rocket is the... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a worker monitors the Orbital Sciences Pegasus XL rocket after a second flight simulation. The rocket is the launch vehicle for NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0660

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, a worker monitors the Orbital Sciences Pegasus XL rocket after a second flight simulation. The rocket is the launch vehicle for ... More

VANDENBERG AIR FORCE BASE, CALIF. -- NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft arrives in a clean room at Vandenberg Air Force Base in California. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0663

VANDENBERG AIR FORCE BASE, CALIF. -- NASA's Aeronomy of Ice in the ...

VANDENBERG AIR FORCE BASE, CALIF. -- NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft arrives in a clean room at Vandenberg Air Force Base in California. AIM is the seventh Small Explorers missi... More

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, the second and third stages of the Orbital Sciences Pegasus XL rocket wait for mating. The rocket is the launch vehicle for the NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0662

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in...

VANDENBERG AIR FORCE BASE, CALIF. -- At Vandenberg Air Force Base in California, the second and third stages of the Orbital Sciences Pegasus XL rocket wait for mating. The rocket is the launch vehicle for th... More

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers stand beside NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft, waiting for an overhead crane they will attach. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0667

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenbe...

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers stand beside NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft, waiting for an overhead ... More

Orbital Sciences Pegasus XL AIM Arrival

Orbital Sciences Pegasus XL AIM Arrival

Inside a clean room at Vandenberg Air Force Base in California, the shipping container removed from around NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft at left, is lowered onto the floor nearby.... More

Orbital Sciences Pegasus XL AIM Processing

Orbital Sciences Pegasus XL AIM Processing

Inside a clean room at Vandenberg Air Force Base in California, workers observe NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft as it is lowered onto a scale. AIM is the seventh Small Explorers mis... More

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers observe NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft as it is lowered onto a scale. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0669

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenber...

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers observe NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft as it is lowered onto a scale... More

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers remove the shipping container from around NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0665

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenb...

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers remove the shipping container from around NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacec... More

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, a worker adjusts the attach points of an overhead crane on NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0668

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenbe...

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, a worker adjusts the attach points of an overhead crane on NASA's Aeronomy of Ice in the Mesosphere, or AIM... More

Orbital Sciences Pegasus XL AIM Arrival

Orbital Sciences Pegasus XL AIM Arrival

Inside a clean room at Vandenberg Air Force Base in California, workers remove the shipping container from around NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers... More

Orbital Sciences Pegasus XL AIM Processing

Orbital Sciences Pegasus XL AIM Processing

Inside a clean room at Vandenberg Air Force Base in California, a worker adjusts the attach points of an overhead crane on NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small ... More

Orbital Sciences Pegasus XL AIM Processing

Orbital Sciences Pegasus XL AIM Processing

Inside a clean room at Vandenberg Air Force Base in California, workers stand beside NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft, waiting for an overhead crane they will attach. AIM is the seve... More

Orbital Sciences Pegasus XL AIM Arrival

Orbital Sciences Pegasus XL AIM Arrival

NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft arrives in a clean room at Vandenberg Air Force Base in California. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The pro... More

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers begin lifting the shipping container from around NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0664

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenbe...

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, workers begin lifting the shipping container from around NASA's Aeronomy of Ice in the Mesosphere, or AIM, ... More

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, the shipping container removed from around NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft at left, is lowered onto the floor nearby. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0666

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vanden...

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, the shipping container removed from around NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft a... More

Orbital Sciences Pegasus XL AIM Processing

Orbital Sciences Pegasus XL AIM Processing

Inside a clean room at Vandenberg Air Force Base in California, NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft is weighed. AIM is the seventh Small Explorers mission under NASA's Explorer Program.... More

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft is weighed. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0670

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenbe...

VANDENBERG AIR FORCE BASE, CALIF. -- Inside a clean room at Vandenberg Air Force Base in California, NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft is weighed. AIM is the seventh Small Explorer... More

Orbital Sciences Pegasus XL AIM Arrival

Orbital Sciences Pegasus XL AIM Arrival

Inside a clean room at Vandenberg Air Force Base in California, workers begin lifting the shipping container from around NASA's Aeronomy of Ice in the Mesosphere, or AIM, spacecraft. AIM is the seventh Small Ex... More

VANDENBERG AIR FORCE BASE, CALIF. -- At North Vandenberg Air Force Base in California, workers offload from the truck the shipping container with NASA's AIM spacecraft inside. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0672

VANDENBERG AIR FORCE BASE, CALIF. -- At North Vandenberg Air Force B...

VANDENBERG AIR FORCE BASE, CALIF. -- At North Vandenberg Air Force Base in California, workers offload from the truck the shipping container with NASA's AIM spacecraft inside. AIM is the seventh Small Explore... More

VANDENBERG AIR FORCE BASE, CALIF. -- A shipping truck carrying NASA's AIM spacecraft arrives at Building 1555 on North Vandenberg Air Force Base in California. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0671

VANDENBERG AIR FORCE BASE, CALIF. -- A shipping truck carrying NASA'...

VANDENBERG AIR FORCE BASE, CALIF. -- A shipping truck carrying NASA's AIM spacecraft arrives at Building 1555 on North Vandenberg Air Force Base in California. AIM is the seventh Small Explorers mission und... More

KENNEDY SPACE CENTER, FLA. -- At North Vandenberg Air Force Base in California, workers move the shipping container with NASA's AIM spacecraft inside into Building 1555. AIM is the seventh Small Explorers mission under NASA's Explorer Program. The program provides frequent flight opportunities for world-class scientific investigations from space within heliophysics and astrophysics. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0673

KENNEDY SPACE CENTER, FLA. -- At North Vandenberg Air Force Base in ...

KENNEDY SPACE CENTER, FLA. -- At North Vandenberg Air Force Base in California, workers move the shipping container with NASA's AIM spacecraft inside into Building 1555. AIM is the seventh Small Explorers mis... More

VANDENBERG AIR FORCE BASE, CALIF. -- In Building 1555 at North Vandenberg Air Force Base, workers get ready to attach the overhead crane to the AIM spacecraft. AIM will be moved into an area where a partial deployment of the solar arrays on the spacecraft will take place. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0687

VANDENBERG AIR FORCE BASE, CALIF. -- In Building 1555 at North Vand...

VANDENBERG AIR FORCE BASE, CALIF. -- In Building 1555 at North Vandenberg Air Force Base, workers get ready to attach the overhead crane to the AIM spacecraft. AIM will be moved into an area where a partial... More

KENNEDY SPACE CENTER, FLA. -- Inside the clean-room "tent" of Building 1555 at North Vandenberg Air Force Base, a technician places a star tracker cover on the AIM spacecraft during testing of the solar array panel deployment. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to its launch vehicle, Orbital Sciences' Pegasus XL, during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0699

KENNEDY SPACE CENTER, FLA. -- Inside the clean-room "tent" of Build...

KENNEDY SPACE CENTER, FLA. -- Inside the clean-room "tent" of Building 1555 at North Vandenberg Air Force Base, a technician places a star tracker cover on the AIM spacecraft during testing of the solar arra... More

VANDENBERG AIR FORCE BASE, CALIF. -- In Building 1555 at North Vandenberg Air Force Base, workers lower the AIM spacecraft onto a moveable base. AIM will be moved into an area where a partial deployment of the solar arrays on the spacecraft will take place.The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0689

VANDENBERG AIR FORCE BASE, CALIF. -- In Building 1555 at North Vande...

VANDENBERG AIR FORCE BASE, CALIF. -- In Building 1555 at North Vandenberg Air Force Base, workers lower the AIM spacecraft onto a moveable base. AIM will be moved into an area where a partial deployment of t... More

VANDENBERG AIR FORCE BASE, CALIF. -- Inside the clean-room "tent" of Building 1555 at North Vandenberg Air Force Base, two of the solar array panels on the AIM spacecraft are deployed for testing. Inside are the instruments that will study polar mesospheric clouds located at the edge of space. The AIM spacecraft will fly three instruments designed to study those clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0697

VANDENBERG AIR FORCE BASE, CALIF. -- Inside the clean-room "tent" of...

VANDENBERG AIR FORCE BASE, CALIF. -- Inside the clean-room "tent" of Building 1555 at North Vandenberg Air Force Base, two of the solar array panels on the AIM spacecraft are deployed for testing. Inside are ... More

VANDENBERG AIR FORCE BASE, CALIF. -- In Building 1555 at North Vandenberg Air Force Base, workers prepare the area where a partial deployment of the solar arrays on the AIM spacecraft will take place. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0686

VANDENBERG AIR FORCE BASE, CALIF. -- In Building 1555 at North Vand...

VANDENBERG AIR FORCE BASE, CALIF. -- In Building 1555 at North Vandenberg Air Force Base, workers prepare the area where a partial deployment of the solar arrays on the AIM spacecraft will take place. The A... More

VANDENBERG AIR FORCE BASE, CALIF. -- Inside the clean-room "tent" of Building 1555 at North Vandenberg Air Force Base, technicians in bunny suits prepare for the solar array deployment on the AIM spacecraft. The AIM spacecraft will fly three instruments designed to study polar mesospheric clouds located at the edge of space, 50 miles above the Earth's surface in the coldest part of the planet's atmosphere. The mission's primary goal is to explain why these clouds form and what has caused them to become brighter and more numerous and appear at lower latitudes in recent years. AIM's results will provide the basis for the study of long-term variability in the mesospheric climate and its relationship to global climate change. AIM is scheduled to be mated to the Pegasus XL during the second week of April, after which final inspections will be conducted. Launch is scheduled for April 25. KSC-07pd0691

VANDENBERG AIR FORCE BASE, CALIF. -- Inside the clean-room "tent" of ...

VANDENBERG AIR FORCE BASE, CALIF. -- Inside the clean-room "tent" of Building 1555 at North Vandenberg Air Force Base, technicians in bunny suits prepare for the solar array deployment on the AIM spacecraft. T... More

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