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KENNEDY SPACE CENTER, FLA. - On Launch Pad 39B, the cargo in Space Shuttle Atlantis' payload bay is seen before the closing of the bay doors. The cargo is the 17-and-a-half-ton P3/P4 truss segment for the International Space Station. Scheduled to launch Aug. 27, Atlantis will fly on mission STS-115 with a crew of six to deliver and install the P3/P4 segment to the port side of the integrated truss system on the orbital outpost. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. STS-115 is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Jack Pfaller KSC-06pd1915

KENNEDY SPACE CENTER, FLA. - On Launch Pad 39B, the cargo in Space S...

KENNEDY SPACE CENTER, FLA. - On Launch Pad 39B, the cargo in Space Shuttle Atlantis' payload bay is seen before the closing of the bay doors. The cargo is the 17-and-a-half-ton P3/P4 truss segment for the In... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis rockets into the blue sky above Launch Pad 39A after liftoff. Beneath Atlantis' main engines are blue cones of light, known as shock or mach diamonds. They are a formation of shock waves in the exhaust plume of an aerospace propulsion system. Liftoff of Atlantis on mission STS-117 to the International Space Station was on time at 7:38:04 p.m. EDT. The shuttle is delivering a new segment to the starboard side of the International Space Station's backbone, known as the truss. Three spacewalks are planned to install the S3/S4 truss segment, deploy a set of solar arrays and prepare them for operation. STS-117 is the 118th space shuttle flight, the 21st flight to the station, the 28th flight for Atlantis and the first of four flights planned for 2007. Photo Credit: NASA/Tony Gray & Don Kight KSC-07pp1461

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis rockets into th...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis rockets into the blue sky above Launch Pad 39A after liftoff. Beneath Atlantis' main engines are blue cones of light, known as shock or mach diamonds. T... More

KENNEDY SPACE CENTER, FLA. -- Viewed from the Shuttle Landing Facility at NASA's Kennedy Space Center, space shuttle Discovery has cleared the clouds over the seaside launch pad and hurtles toward space. Liftoff was on time at 11:38:19 a.m. EDT. Discovery carries the Italian-built U.S. Node 2, called Harmony. During the 14-day STS-120 mission, the crew will install Harmony and move the P6 solar arrays to their permanent position and deploy them. Discovery is expected to complete its mission and return home at 4:47 a.m. EST on Nov. 6. Photo credit: NASA/Chuck Tintera KSC-07pd2956

KENNEDY SPACE CENTER, FLA. -- Viewed from the Shuttle Landing Facilit...

KENNEDY SPACE CENTER, FLA. -- Viewed from the Shuttle Landing Facility at NASA's Kennedy Space Center, space shuttle Discovery has cleared the clouds over the seaside launch pad and hurtles toward space. Lift... More

KENNEDY SPACE CENTER, FLA. - Sitting on top of the mobile launcher platform, Space Shuttle Atlantis is on its slow rollout to Launch Pad 39B. First motion out of the Vehicle Assembly Building was 1:05 a.m. The slow speed of the crawler results in a 6-hour trek to the pad approximately 4 miles away. Atlantis' launch window begins Aug. 27 for an 11-day mission to the International Space Station. The STS-115 crew of six astronauts will continue construction of the station and install their cargo, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Troy Cryder KSC-06pd1705

KENNEDY SPACE CENTER, FLA. - Sitting on top of the mobile launcher pl...

KENNEDY SPACE CENTER, FLA. - Sitting on top of the mobile launcher platform, Space Shuttle Atlantis is on its slow rollout to Launch Pad 39B. First motion out of the Vehicle Assembly Building was 1:05 a.m. Th... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members stride out of the Operations and Checkout Building eager to get to Launch Pad 39B and the start of their mission to the International Space Station. This is the second attempt at launch after a week's postponement due to weather and technical concerns. On the left side, front to back, are Pilot Christopher Ferguson and Mission Specialists Steven MacLean and Heidemarie Stefanyshyn-Piper. On the right side, front to back, are Commander Brent Jett and Mission Specialists Daniel Burbank and Joseph Tanner. On its second attempt for launch, Atlantis is scheduled to lift off at 11:41 a.m. EDT today from Launch Pad 39B. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett KSC-06pd2088

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members stride out of ...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members stride out of the Operations and Checkout Building eager to get to Launch Pad 39B and the start of their mission to the International Space Station. This ... More

KENNEDY SPACE CENTER, FLA. - Huge clouds roll over Launch Pad 39B where Space Shuttle Atlantis still sits after the scrub of its launch on mission STS-115. Atlantis was originally scheduled to launch at 12:29 p.m. EDT on this date, but a 24-hour scrub was called by mission managers due to a concern with fuel cell 1. Towering above the shuttle is the 80-foot lightning mast. At left is the rolled-back rotating service structure with the payload changeout room open. Just above the orange external tank is the vent hood (known as the "beanie cap") at the end of the gaseous oxygen vent arm. Vapors are created as the liquid oxygen in the external tank boil off. The hood vents the gaseous oxygen vapors away from the space shuttle vehicle. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Ken Thornsley KSC-06pd2055

KENNEDY SPACE CENTER, FLA. - Huge clouds roll over Launch Pad 39B w...

KENNEDY SPACE CENTER, FLA. - Huge clouds roll over Launch Pad 39B where Space Shuttle Atlantis still sits after the scrub of its launch on mission STS-115. Atlantis was originally scheduled to launch at 12:... More

KENNEDY SPACE CENTER, FLA. -- A large bird appears to chase Space Shuttle Discovery as it roars into space and emblazons the night sky. This was the second launch attempt of Discovery on mission STS-116. Liftoff occurred on time at 8:47 p.m. EST. The first launch attempt on Dec. 7 was postponed due a low cloud ceiling over Kennedy Space Center. This is Discovery's 33rd mission and the first night launch since 2002. The 20th shuttle mission to the International Space Station, STS-116 carries another truss segment, P5. It will serve as a spacer, mated to the P4 truss that was attached in September. After installing the P5, the crew will reconfigure and redistribute the power generated by two pairs of U.S. solar arrays. Landing is expected Dec. 21 at KSC. Photo credit: NASA/Sandra Joseph, Robert Murray, Chris Lynch KSC-06pd2745

KENNEDY SPACE CENTER, FLA. -- A large bird appears to chase Space Shut...

KENNEDY SPACE CENTER, FLA. -- A large bird appears to chase Space Shuttle Discovery as it roars into space and emblazons the night sky. This was the second launch attempt of Discovery on mission STS-116. Lift... More

KENNEDY SPACE CENTER, Fla. -- The STS-92 crew gather outside the gate to Launch Pad 39A where Space Shuttle Discovery waits in the background for liftoff Oct. 5 at 9:38 p.m. EDT. From left to right are Commander Brian Duffy, Pilot Pamela Ann Melroy, and Mission Specialists Leroy Chiao, William S. McArthur Jr., Peter J.K. “Jeff” Wisoff, Michael E. Lopez-Alegria and Koichi Wakata of Japan. The mission payload includes Integrated Truss Structure Z-1, an early exterior framework to allow the first U.S. solar arrays on a future flight to be temporarily installed on Unity for early power; Ku-band communication to support early science capability and U.S. television; and the third Pressurized Mating Adapter to provide a Shuttle docking port for solar array installation on the sixth ISS flight and Lab installation on the seventh ISS flight. The 11-day mission will include four spacewalks KSC-00pp1486

KENNEDY SPACE CENTER, Fla. -- The STS-92 crew gather outside the gate...

KENNEDY SPACE CENTER, Fla. -- The STS-92 crew gather outside the gate to Launch Pad 39A where Space Shuttle Discovery waits in the background for liftoff Oct. 5 at 9:38 p.m. EDT. From left to right are Command... More

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 39, members of the STS-117 crew are instructed in the operation of an M-113 armored personnel carrier by the astronaut rescue team. The astronauts on the STS-117 crew are participating in M-113 armored personnel carrier training during Terminal Countdown Demonstration Test (TCDT) activities, a dress rehearsal for their launch, targeted for March 15. The M-113 could be used to move the crew away from the launch pad quickly in the event of an emergency. The TCDT also includes pad emergency egress training and a simulated launch countdown. The mission payload aboard Space Shuttle Atlantis is the S3/S4 integrated truss structure, along with a third set of solar arrays and batteries. The crew of six astronauts will install the truss to continue assembly of the station. Photo credit: NASA/Kim Shiflett KSC-07pd0477

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 39, members of the STS...

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 39, members of the STS-117 crew are instructed in the operation of an M-113 armored personnel carrier by the astronaut rescue team. The astronauts on the STS-117 ... More

KENNEDY SPACE CENTER, FLA. - Sitting on top of the mobile launcher platform, Space Shuttle Atlantis rolls out to Launch Pad 39B via the crawlerway. First motion out of the Vehicle Assembly Building was 1:05 a.m. The slow speed of the crawler results in a 6-hour trek to the pad approximately 4 miles away. Atlantis' launch window begins Aug. 27 for an 11-day mission to the International Space Station. The STS-115 crew of six astronauts will continue construction of the station and install their cargo, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Troy Cryder KSC-06pd1706

KENNEDY SPACE CENTER, FLA. - Sitting on top of the mobile launcher p...

KENNEDY SPACE CENTER, FLA. - Sitting on top of the mobile launcher platform, Space Shuttle Atlantis rolls out to Launch Pad 39B via the crawlerway. First motion out of the Vehicle Assembly Building was 1:05 ... More

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialist Joseph Tanner adjusts his helmet. Tanner is making his fourth flight on a shuttle. He and other crew members are checking their launch suits and apparatus before the launch on Space Shuttle Atlantis on Aug. 27. Mission STS-115 is scheduled to lift off about 4:30 p.m. Aug. 27. The crew will deliver and install the P3/P4 segment to the port side of the integrated truss system on the International Space Station. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. The mission is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett KSC-06pd1933

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialist Joseph Tanner...

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialist Joseph Tanner adjusts his helmet. Tanner is making his fourth flight on a shuttle. He and other crew members are checking their launch suits and apparat... More

KENNEDY SPACE CENTER, FLA. - The morning sky lightens behind Space Shuttle Atlantis while lights on the fixed service structure (FSS) still illuminate the orbiter on Launch Pad 39B. Atlantis was originally scheduled to launch at 12:29 p.m. EDT on this date, but a 24-hour scrub was called by mission managers due to a concern with Fuel Cell 1. Seen poised above the orange external tank is the vent hood (known as the "beanie cap") at the end of the gaseous oxygen vent arm. Vapors are created as the liquid oxygen in the external tank boil off. The hood vents the gaseous oxygen vapors away from the space shuttle vehicle. Extending from the FSS to Atlantis is the orbiter access arm with the White Room at the end. The White Room provides entry into the orbiter through the hatch. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Troy Cryder KSC-06pd2050

KENNEDY SPACE CENTER, FLA. - The morning sky lightens behind Space ...

KENNEDY SPACE CENTER, FLA. - The morning sky lightens behind Space Shuttle Atlantis while lights on the fixed service structure (FSS) still illuminate the orbiter on Launch Pad 39B. Atlantis was originally s... More

KENNEDY SPACE CENTER, FLA. - The rotating service structure (left) on Launch Pad 39B is rolled back to reveal Space Shuttle Atlantis. The RSS provides protected access to the orbiter for changeout and servicing of payloads at the pad and then is rolled away before liftoff. Atlantis is scheduled to launch Sept. 6 at 12:29 p.m. EDT on mission STS-115. During the mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. STS-115 is scheduled to last 11 days with a planned KSC landing at about 8:03 a.m. EDT on Sept. 17. Photo credit: NASA/George Shelton KSC-06pd2039

KENNEDY SPACE CENTER, FLA. - The rotating service structure (left) o...

KENNEDY SPACE CENTER, FLA. - The rotating service structure (left) on Launch Pad 39B is rolled back to reveal Space Shuttle Atlantis. The RSS provides protected access to the orbiter for changeout and servi... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis passes the turn basin as it slowly wends its way toward Launch Pad 39A. First motion out of the Vehicle Assembly Building was at 8:19 a.m. The 3.4-mile trip to the pad along the crawlerway will take about 6 hours. The mission payload aboard Space Shuttle Atlantis is the S3/S4 integrated truss structure, along with a third set of solar arrays and batteries. The crew of six astronauts will install the truss to continue assembly of the International Space Station. Launch is targeted for March 15. Photo credit: NASA/Ken Thornsley KSC-07pd0390

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis passes the turn b...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis passes the turn basin as it slowly wends its way toward Launch Pad 39A. First motion out of the Vehicle Assembly Building was at 8:19 a.m. The 3.4-mile tri... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery seems to be standing on the fiery columns erupting from the solid rocket boosters as it lifts off Launch Pad 39B on mission STS-116. Liftoff occurred at 8:47 p.m. EST. This was the second launch attempt for mission STS-116. The first launch attempt on Dec. 7 was postponed due a low cloud ceiling over Kennedy Space Center. This is Discovery's 33rd mission and the first night launch since 2002. The 20th shuttle mission to the International Space Station, STS-116 carries another truss segment, P5. It will serve as a spacer, mated to the P4 truss that was attached in September. After installing the P5, the crew will reconfigure and redistribute the power generated by two pairs of U.S. solar arrays. Landing is expected Dec. 21 at KSC. Photo credit: NASA/Regina Mitchell-Ryall & Tim Powers KSC-06pp2757

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery seems to be st...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery seems to be standing on the fiery columns erupting from the solid rocket boosters as it lifts off Launch Pad 39B on mission STS-116. Liftoff occurred at 8... More

KENNEDY SPACE CENTER, FLA. -- In the Launch Pad 39A area, Mission STS-117 crew members receive instruction on emergency egress using the slidewire basket system during Terminal Countdown Demonstration Test activities. Here, Mission Specialists Steven Swanson (left) and Danny Olivas (right) practice exiting from the slidewire basket. The TCDT also includes M-113 armored personnel carrier training, and a simulated launch countdown. The mission payload aboard Space Shuttle Atlantis is the S3/S4 integrated truss structure, along with a third set of solar arrays and batteries. The crew of six astronauts will install the truss to continue assembly of the International Space Station. Photo credit: NASA/Kim Shiflett KSC-07pd0494

KENNEDY SPACE CENTER, FLA. -- In the Launch Pad 39A area, Mission STS...

KENNEDY SPACE CENTER, FLA. -- In the Launch Pad 39A area, Mission STS-117 crew members receive instruction on emergency egress using the slidewire basket system during Terminal Countdown Demonstration Test act... More

KENNEDY SPACE CENTER, FLA. -- The STS-117 crew members arrive at the KSC Shuttle Landing Facility aboard T-38 jet aircraft to prepare for launch on Space Shuttle Atlantis on June 8. Mission Specialist Steven Swanson is greeted by Shuttle Launch Director Mike Leinbach. Behind Swanson, at left, is Commander Frederick Sturckow; Mission Specialist Patrick Forrester is at center; Janet Petro, deputy director of Kennedy, is at right. During the 11-day mission and three spacewalks, the crew will work with flight controllers at NASA's Johnson Space Center in Houston to install a 17-ton segment on the station's girder-like truss and deploy a set of solar arrays, S3/S4. The mission will increase the space station's power capability in preparation for the arrival of new science modules from the European and Japanese space agencies. Photo credit: NASA/Kim Shiflett KSC-07pd1348

KENNEDY SPACE CENTER, FLA. -- The STS-117 crew members arrive at the K...

KENNEDY SPACE CENTER, FLA. -- The STS-117 crew members arrive at the KSC Shuttle Landing Facility aboard T-38 jet aircraft to prepare for launch on Space Shuttle Atlantis on June 8. Mission Specialist Steven S... More

KENNEDY SPACE CENTER, FLA. -- A yellow tag identifies the crawler-transporter cleat that has a crack. The crack was noticed as the crawler-transporter was moving Space Shuttle Endeavour to Launch Pad 39B. Rollout was delayed until the cleat could be replaced. The Space Shuttle was hard down on the pad several hours later. Endeavour is scheduled to be launched Nov. 30 at 10:01 p.m. EST on mission STS-97, the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections KSC00pp1628

KENNEDY SPACE CENTER, FLA. -- A yellow tag identifies the crawler-tran...

KENNEDY SPACE CENTER, FLA. -- A yellow tag identifies the crawler-transporter cleat that has a crack. The crack was noticed as the crawler-transporter was moving Space Shuttle Endeavour to Launch Pad 39B. Rollo... More

STS-92 Pilot Pamela Ann Melroy is happy to arrive at the KSC Shuttle Landing Facility after a flight from Houston. She and the rest of the crew are at KSC to take part in Terminal Countdown Demonstration Test activities, which include emergency egress training from the orbiter and pad, and a simulated countdown. The fifth mission to the International Space Station, STS-92 will carry the Integrated Truss Structure Z1, the first of the planned 10 trusses on the Space Station, and the third Pressurized Mating Adapter. The Z1 will allow the first U.S. solar arrays on a future flight to be temporarily installed on Unity for early power. PMA-3 will provide a Shuttle docking port for the solar array installation on the sixth ISS flight and Lab installation on the seventh ISS flight. STS-92 is scheduled to launch Oct. 5 from launch Pad 39A. It will be the 100th flight in the Shuttle program KSC00pp1304

STS-92 Pilot Pamela Ann Melroy is happy to arrive at the KSC Shuttle L...

STS-92 Pilot Pamela Ann Melroy is happy to arrive at the KSC Shuttle Landing Facility after a flight from Houston. She and the rest of the crew are at KSC to take part in Terminal Countdown Demonstration Test a... More

At the Shuttle Landing Facility, STS-97 Mission Specialist Joseph Tanner (left) is greeted by Center Director Roy Bridges on his arrival at KSC from Johnson Space Center. Tanner and the rest of the crew have returned to KSC for the launch, scheduled for Nov. 30 at about 10:06 p.m. EST. Mission STS-97is the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections. STS-97 is scheduled to launch Nov. 30 at about 10:06 p.m. EST KSC-00pp1756

At the Shuttle Landing Facility, STS-97 Mission Specialist Joseph Tann...

At the Shuttle Landing Facility, STS-97 Mission Specialist Joseph Tanner (left) is greeted by Center Director Roy Bridges on his arrival at KSC from Johnson Space Center. Tanner and the rest of the crew have re... More

KENNEDY SPACE CENTER, FLA. - During suitup in the Operations and Checkout Building at NASA Kennedy Space Center, STS-115 Mission Specialist Daniel Burbank tests the communication system in his helmet. Burbank is making his second shuttle flight on this mission to the International Space Station aboard Space Shuttle Atlantis. On its second attempt for launch, Atlantis is scheduled to lift off at 11:41 a.m. EDT today from Launch Pad 39B. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett KSC-06pd2086

KENNEDY SPACE CENTER, FLA. - During suitup in the Operations and Che...

KENNEDY SPACE CENTER, FLA. - During suitup in the Operations and Checkout Building at NASA Kennedy Space Center, STS-115 Mission Specialist Daniel Burbank tests the communication system in his helmet. Burban... More

KENNEDY SPACE CENTER, FLA. -- The blue cones of light, known as shock or mach diamonds, beneath Space Shuttle Discovery's main engines confirm its rapid rise into the night sky after liftoff on mission STS-116. Mach diamonds are a formation of shock waves in the exhaust plume of an aerospace propulsion system. Liftoff occurred on time at 8:47 p.m. EST. This was the second launch attempt for mission STS-116. The first launch attempt on Dec. 7 was postponed due a low cloud ceiling over Kennedy Space Center. This is Discovery's 33rd mission and the first night launch since 2003. The 20th shuttle mission to the International Space Station, STS-116 carries another truss segment, P5. It will serve as a spacer, mated to the P4 truss that was attached in September. After installing the P5, the crew will reconfigure and redistribute the power generated by two pairs of U.S. solar arrays. Landing is expected Dec. 21 at KSC. Photo credit: NASA/Tony Gray & Don Kight KSC-06pp2766

KENNEDY SPACE CENTER, FLA. -- The blue cones of light, known as shock...

KENNEDY SPACE CENTER, FLA. -- The blue cones of light, known as shock or mach diamonds, beneath Space Shuttle Discovery's main engines confirm its rapid rise into the night sky after liftoff on mission STS-116... More

KENNEDY SPACE CENTER, FLA. - After its overnight rollout from the Vehicle Assembly Building, Space Shuttle Atlantis rests on the hard stand on Launch Pad 39B. The shuttle sits on top of the mobile launcher platform. The crawler, which transported it, is still underneath. To the left is the rotating service structure, with the payload changeout room (PCR) open. When the shuttle's payload is transported to the pad, it will be lifted into the PCR, the service structure will rotate to enclose the shuttle and the payload will be installed in Atlantis' payload bay. The slow speed of the crawler results in a 6-hour trek to the pad approximately 4 miles away. Atlantis' launch window begins Aug. 27 for an 11-day mission to the International Space Station. The STS-115 crew of six astronauts will continue construction of the station and install their cargo, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Troy Cryder KSC-06pd1713

KENNEDY SPACE CENTER, FLA. - After its overnight rollout from the Ve...

KENNEDY SPACE CENTER, FLA. - After its overnight rollout from the Vehicle Assembly Building, Space Shuttle Atlantis rests on the hard stand on Launch Pad 39B. The shuttle sits on top of the mobile launcher ... More

KENNEDY SPACE CENTER, FLA. -- The STS-117 crew arrives at NASA's Kennedy Space Center to take part in the Terminal Countdown Demonstration Test (TCDT), a preparation for the launch March 15 to the International Space Station. NASA Launch Director Mike Leinbach greets Mission Specialist Steven Swanson at the Shuttle Landing Facility. The TCDT includes emergency egress training and a simulated launch countdown. The mission payload aboard Space Shuttle Atlantis is the S3/S4 integrated truss structure, along with a third set of solar arrays and batteries. The crew of six astronauts will install the truss to continue assembly of the station. Photo credit: NASA/Kim Shiflett KSC-07pd0457

KENNEDY SPACE CENTER, FLA. -- The STS-117 crew arrives at NASA's Kenne...

KENNEDY SPACE CENTER, FLA. -- The STS-117 crew arrives at NASA's Kennedy Space Center to take part in the Terminal Countdown Demonstration Test (TCDT), a preparation for the launch March 15 to the International... More

KENNEDY SPACE CENTER, FLA. -- From the floor of the Space Station Processing Facility, astronauts get a look at the S6 integrated truss and solar arrays, scheduled to fly on STS-119 in 2008. In the center are Peggy Whitson and Dan Tani. With construction of the Space Station the primary focus of future shuttle missions, astronaut crews will be working with one or more of the elements and hardware already being processed in the SSPF. Photo credit: NASA/Kim Shiflett KSC-07pd0305

KENNEDY SPACE CENTER, FLA. -- From the floor of the Space Station Proc...

KENNEDY SPACE CENTER, FLA. -- From the floor of the Space Station Processing Facility, astronauts get a look at the S6 integrated truss and solar arrays, scheduled to fly on STS-119 in 2008. In the center are ... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis is poised for flight at liftoff from Launch Pad 39A on mission STS-117 to the International Space Station. Liftoff was on-time at 7:38:04 p.m. EDT. The shuttle is delivering a new segment to the starboard side of the International Space Station's backbone, known as the truss. Three spacewalks are planned to install the S3/S4 truss segment, deploy a set of solar arrays and prepare them for operation. STS-117 is the 118th space shuttle flight, the 21st flight to the station, the 28th flight for Atlantis and the first of four flights planned for 2007. Photo courtesy of Nikon/Scott Andrews KSC-07pd1445

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis is poised for fl...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis is poised for flight at liftoff from Launch Pad 39A on mission STS-117 to the International Space Station. Liftoff was on-time at 7:38:04 p.m. EDT. The s... More

KENNEDY SPACE CENTER, FLA. -- In the Orbiter Processing Facility bay 1, members of the STS-92 crew examine equipment that will be part of their mission to the International Space Station (ISS). The fourth U.S. flight to the ISS, the mission payload includes the Integrated Truss Structure Z1, an early exterior framework to allow the first U.S. solar arrays on a future flight to be temporarily installed on Unity for early power; Ku-band communication to support early science capability and U.S. television; and PMA-3 to provide a Shuttle docking port for solar array installation on the sixth ISS flight and Lab installation on the seventh ISS flight. The crew comprises Mission Commander Brian Duffy, Pilot Pamela Melroy, and Mission Specialists Koichi Wakata, Leroy Chiao, Peter "Jeff" Wisoff, Michael Lopez-Alegria, and William McArthur. Launch of STS-92 is scheduled for Sept. 21, 2000. Wakata is with the National Space Development Agency of Japan KSC00pp0522

KENNEDY SPACE CENTER, FLA. -- In the Orbiter Processing Facility bay 1...

KENNEDY SPACE CENTER, FLA. -- In the Orbiter Processing Facility bay 1, members of the STS-92 crew examine equipment that will be part of their mission to the International Space Station (ISS). The fourth U.S. ... More

KENNEDY SPACE CENTER, Fla. -- Perched atop the Mobile Launcher Platform, Space Shuttle Endeavour passes through the gate to Launch Pad 39B. To the right of the pad is a 290-foot tall water tower. To the left is the Fixed Service Structure and Rotating Service Structure. Endeavour is scheduled to be launched Nov. 30 at 10:01 p.m. EST on mission STS-97, the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections KSC-00padig057

KENNEDY SPACE CENTER, Fla. -- Perched atop the Mobile Launcher Platfor...

KENNEDY SPACE CENTER, Fla. -- Perched atop the Mobile Launcher Platform, Space Shuttle Endeavour passes through the gate to Launch Pad 39B. To the right of the pad is a 290-foot tall water tower. To the left is... More

KENNEDY SPACE CENTER, FLA. -- STS-116 Commander Mark Polansky is ready to begin practice flights on the shuttle training aircraft (STA) three days before launch. The STA is a Grumman American Aviation-built Gulf Stream II jet that was modified to simulate an orbiter's cockpit, motion and visual cues, and handling qualities. In flight, the STA duplicates the orbiter's atmospheric descent trajectory from approximately 35,000 feet altitude to landing on a runway. Because the orbiter is unpowered during re-entry and landing, its high-speed glide must be perfectly executed the first time. Launch of Space Shuttle Discovery on mission STS-116 is scheduled for 9:35 p.m. Dec. 7. On the mission, the STS-116 crew will deliver truss segment, P5, to the International Space Station and begin the intricate process of reconfiguring and redistributing the power generated by two pairs of U.S. solar arrays. The P5 will be mated to the P4 truss that was delivered and attached during the STS-115 mission in September. Photo credit: NASA/Kim Shiflett KSC-06pd2649

KENNEDY SPACE CENTER, FLA. -- STS-116 Commander Mark Polansky is read...

KENNEDY SPACE CENTER, FLA. -- STS-116 Commander Mark Polansky is ready to begin practice flights on the shuttle training aircraft (STA) three days before launch. The STA is a Grumman American Aviation-built G... More

KENNEDY SPACE CENTER, FLA. -- At NASA's Kennedy Space Center, the STS-120 crew don their launch and entry suits before heading to Launch Pad 39A for launch aboard space shuttle Discovery to the International Space Station. Seen here is Pilot George Zamka, who is making his first shuttle flight. Discovery is scheduled for liftoff at 11:38 a.m. EDT. The mission will be the 23rd assembly flight to the space station and the 34th flight for Discovery. Payload on the mission is the Italian-built U.S. Node 2, called Harmony. During the 14-day mission, the crew will install Harmony and move the P6 solar arrays to their permanent position and deploy them. Discovery is expected to complete its mission and return home at 4:47 a.m. EST on Nov. 6. Photo credit: NASA/Kim Shiflett KSC-07pd2937

KENNEDY SPACE CENTER, FLA. -- At NASA's Kennedy Space Center, the STS...

KENNEDY SPACE CENTER, FLA. -- At NASA's Kennedy Space Center, the STS-120 crew don their launch and entry suits before heading to Launch Pad 39A for launch aboard space shuttle Discovery to the International S... More

KENNEDY SPACE CENTER, Fla. -- Perched atop the Mobile Launcher Platform, Space Shuttle Endeavour passes through the gate to Launch Pad 39B. To the right of the pad is a 290-foot tall water tower. To the left is the Fixed Service Structure and Rotating Service Structure. Endeavour is scheduled to be launched Nov. 30 at 10:01 p.m. EST on mission STS-97, the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections KSC00padig057

KENNEDY SPACE CENTER, Fla. -- Perched atop the Mobile Launcher Platfor...

KENNEDY SPACE CENTER, Fla. -- Perched atop the Mobile Launcher Platform, Space Shuttle Endeavour passes through the gate to Launch Pad 39B. To the right of the pad is a 290-foot tall water tower. To the left is... More

KENNEDY SPACE CENTER, FLA. -- At a media showcase in the Space Station Processing Facility, reporters and photographers get a close look at the S3/S4 integrated truss segment. The starboard 3/4 truss segment will launch aboard Space Shuttle Atlantis on mission STS-117, targeted for March 15. The element will be added to the 11-segment integrated truss structure, the station's backbone. The integrated truss structure eventually will span more than 300 feet. The S3/S4 truss has two large solar arrays and will provide one-fourth of the total power generation for the completed station. Photo credit: NASA/George Shelton KSC-07pd0278

KENNEDY SPACE CENTER, FLA. -- At a media showcase in the Space Stati...

KENNEDY SPACE CENTER, FLA. -- At a media showcase in the Space Station Processing Facility, reporters and photographers get a close look at the S3/S4 integrated truss segment. The starboard 3/4 truss segment ... More

KENNEDY SPACE CENTER, FLA. - In the transfer aisle of the Vehicle Assembly Building, an overhead crane and sling raise Atlantis off its transporter in preparation for lifting it to a vertical position. Atlantis then will be lifted into high bay 3 for stacking with the external tank and solid rocket boosters already installed on the mobile launcher platform. After mating with the external tank and boosters, Atlantis will undergo a shuttle interface test and other prelaunch processing. Atlantis' launch window begins Aug. 28. During its 11-day mission to the International Space Station, the STS-115 crew of six astronauts will continue construction of the station and install their cargo, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Kim Shiflett KSC-06pd1657

KENNEDY SPACE CENTER, FLA. - In the transfer aisle of the Vehicle A...

KENNEDY SPACE CENTER, FLA. - In the transfer aisle of the Vehicle Assembly Building, an overhead crane and sling raise Atlantis off its transporter in preparation for lifting it to a vertical position. Atla... More

CAPE CANAVERAL, Fla. - In Orbiter Processing Facility bay 3 at NASA's Kennedy Space Center in Florida, (at left) one of three space shuttle main engines is being prepared for installation in space shuttle Discovery. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. Discovery is being processed for its next mission, STS-119, targeted for launch on Feb. 12, 2009. Discovery and its crew will deliver integrated truss structure 6 (S6) and solar arrays to the International Space Station. Photo credit: NASA/Dimitri Gerondidakis KSC-08pd2943

CAPE CANAVERAL, Fla. - In Orbiter Processing Facility bay 3 at NASA's ...

CAPE CANAVERAL, Fla. - In Orbiter Processing Facility bay 3 at NASA's Kennedy Space Center in Florida, (at left) one of three space shuttle main engines is being prepared for installation in space shuttle Disco... More

KENNEDY SPACE CENTER, FLA. -- Cameras are prepared to record the launch of Space Shuttle Atlantis from Launch Pad 39A following sunrise on a cloudy Florida day. Rollback of the pad's rotating service structure, or RSS, is one of the milestones in preparation for the launch of mission STS-117 on June 8. Rollback started at 10:56 p.m. EDT June 7 and was complete at 11:34 p.m. The RSS, the massive structure to the left of the shuttle, provides protected access to the orbiter for changeout and servicing of payloads at the pad. The structure is supported by a rotating bridge that pivots about a vertical axis on the side of the pad's flame trench. The hinge column rests on the pad surface and is braced to the fixed service structure. Support for the outer end of the bridge is provided by two eight-wheel, motor-driven trucks that move along circular twin rails installed flush with the pad surface. The track crosses the flame trench on a permanent bridge. The RSS is 102 feet long, 50 feet wide and 130 feet high. The structure has orbiter access platforms at five levels to provide access to the payload bay while the orbiter is being serviced in the RSS. Each platform has independent extendable planks that can be arranged to conform to a payload's configuration. This mission is the 118th shuttle flight and the 21st U.S. flight to the International Space Station and will deliver and install the S3/S4 truss segment, deploy a set of solar arrays and prepare them for operation. Photo credit: NASA/Ken Thornsley KSC-07pd1399

KENNEDY SPACE CENTER, FLA. -- Cameras are prepared to record the launc...

KENNEDY SPACE CENTER, FLA. -- Cameras are prepared to record the launch of Space Shuttle Atlantis from Launch Pad 39A following sunrise on a cloudy Florida day. Rollback of the pad's rotating service structure,... More

The STS-92 crew spends a few minutes on the tarmac at the KSC Shuttle Landing Facility to address the media. At the microphone, Commander Brian Duffy introduces the crew: (from left) Mission Specialists Koichi Wakata, Michael Lopez-Alegria, Jeff Wisoff, Bill McArthur and Leroy Chiao; and Pilot Pam Melroy. The crew is at KSC to take part in Terminal Countdown Demonstration Test (TCDT) activities. The TCDT includes emergency egress training from the orbiter and pad, plus a simulated countdown. The fifth mission to the International Space Station, STS-92 will carry the Integrated Truss Structure Z1, the first of the planned 10 trusses on the Space Station, and the third Pressurized Mating Adapter. The Z1 will allow the first U.S. solar arrays on a future flight to be temporarily installed on Unity for early power. PMA-3 will provide a Shuttle docking port for the solar array installation on the sixth ISS flight and Lab installation on the seventh ISS flight. STS-92 is scheduled to launch Oct. 5 from launch Pad 39A. It will be the 100th flight in the Shuttle program KSC00pp1308

The STS-92 crew spends a few minutes on the tarmac at the KSC Shuttle ...

The STS-92 crew spends a few minutes on the tarmac at the KSC Shuttle Landing Facility to address the media. At the microphone, Commander Brian Duffy introduces the crew: (from left) Mission Specialists Koichi ... More

Workers in the Space Station Processing Facility gather with the crew of mission STS-97, who are holding the symbolic key representing the turnover of the P6 Integrated Truss Structure, part of the payload on their mission. During the ceremony the P6 truss segment was transferred from International Space Station ground operations to the NASA shuttle integration team. Commander Brent Jett (second from right) received the key in the ceremony. Standing with him are (left to right) Mission Specialists Marc Garneau, Joe Tanner and Carlos Noriega, at left; and Pilot Mike Bloomfield, at right. Mission STS-97is the sixth construction flight to the International Space Station. Its payload includes a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission involves two spacewalks to complete the solar array connections. STS-97 is scheduled to launch Nov. 30 at 10:05 p.m. EST KSC-00pp1664

Workers in the Space Station Processing Facility gather with the crew ...

Workers in the Space Station Processing Facility gather with the crew of mission STS-97, who are holding the symbolic key representing the turnover of the P6 Integrated Truss Structure, part of the payload on t... More

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, STS-119 Mission Specialist Koichi Wakata is ready to practice driving the M-113 armored personnel carrier used for emergency escape, if needed, from the launch pad. Wakata represents the Japan Aerospace Exploration Agency. The crew members are at Kennedy for prelaunch preparation known as terminal countdown demonstration test, or TCDT. The training provides astronauts and ground crews with an opportunity to participate in various simulated countdown activities, including equipment familiarization and a simulated launch countdown. The crew of space shuttle Discovery is targeted to launch on the STS-119 mission Feb. 12. During Discovery's 14-day mission, the crew will install the S6 truss segment and solar arrays to the starboard side of the International Space Station, completing the station's truss, or backbone. Photo credit: NASA/Kim Shiflett KSC-2009-1204

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, STS...

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, STS-119 Mission Specialist Koichi Wakata is ready to practice driving the M-113 armored personnel carrier used for emergency escape, if needed,... More

KENNEDY SPACE CENTER, FLA. -- Nearby water reflects the brilliant light of flames beneath space shuttle Discovery as it leaps through the clouds into a blue sky heading for the International Space Station on mission STS-120. Billows of clouds and smoke stream across Launch Pad 39A at NASA's Kennedy Space Center. Liftoff was on time at 11:38:19 a.m. EDT. Discovery carries the Italian-built U.S. Node 2, called Harmony. During the 14-day STS-120 mission, the crew will install Harmony and move the P6 solar arrays to their permanent position and deploy them. Discovery is expected to complete its mission and return home at 4:47 a.m. EST on Nov. 6. Photo credit: NASA/Sandra Joseph, Tony Gray & Robert Murray KSC-07pd2961

KENNEDY SPACE CENTER, FLA. -- Nearby water reflects the brilliant lig...

KENNEDY SPACE CENTER, FLA. -- Nearby water reflects the brilliant light of flames beneath space shuttle Discovery as it leaps through the clouds into a blue sky heading for the International Space Station on m... More

CAPE CANAVERAL, Fla. -- With red umbilical lines attached, the payload containing space shuttle Discovery's S6 truss and solar arrays is lifted up to the Payload Changeout Room, or PCR, on Launch Pad 39A at NASA's Kennedy Space Center in Florida. The payload will be transferred inside the PCR where it will wait until Discovery rolls out to the pad. Then the payload will be installed in the shuttle's payload bay. Launch of Discovery on the STS-119 mission is scheduled for Feb. 12. During Discovery's 14-day mission, the crew will install the S6 truss segment and its solar arrays to the starboard side of the station, completing the station's backbone, or truss. Photo credit: NASA/Jim Grossmann KSC-2009-1096

CAPE CANAVERAL, Fla. -- With red umbilical lines attached, the payloa...

CAPE CANAVERAL, Fla. -- With red umbilical lines attached, the payload containing space shuttle Discovery's S6 truss and solar arrays is lifted up to the Payload Changeout Room, or PCR, on Launch Pad 39A at NA... More

KENNEDY SPACE CENTER, FLA. -- STS-120 Commander Pam Melroy and Pilot George Zamka return to crew quarters after disembarking from a Shuttle Training Aircraft, or STA, on the tarmac at Kennedy Space Center's Shuttle Landing Facility. They were training for their upcoming space shuttle mission by practicing landings using an STA. Melroy is the second woman to command a shuttle mission. Also assigned to STS-120 are Mission Specialists Scott Parazynski, Stephanie Wilson, Doug Wheelock, Paolo Nespoli and Daniel Tani. Nespoli represents the European Space Agency. Tani will remain on the International Space Station as an Expedition 16 flight engineer after the STS-120 mission is complete. The mission will be the 23rd shuttle flight to the International Space Station, delivering the Italian-built U.S. Node 2, called Harmony. The crew arrived at Kennedy on Oct. 19 to prepare for launch aboard space shuttle Discovery at 11:38 a.m. EDT Oct. 23. The 14-day mission includes five spacewalks -- four by shuttle crew members and one by the station's Expedition 16 crew -- to install Harmony and move the P6 solar arrays to their permanent position and deploy them. Discovery is expected to complete its mission and return home on Nov. 6. Photo credit: NASA/Kim Shiflett KSC-07pd2898

KENNEDY SPACE CENTER, FLA. -- STS-120 Commander Pam Melroy and Pilot G...

KENNEDY SPACE CENTER, FLA. -- STS-120 Commander Pam Melroy and Pilot George Zamka return to crew quarters after disembarking from a Shuttle Training Aircraft, or STA, on the tarmac at Kennedy Space Center's Shu... More

KENNEDY SPACE CENTER, FLA. -- Alan Thirkettle, the International Space Station Program Manager for ESA, the European Space Agency, and Mauro Piermaria, the ESPERIA mission manager for ASI, the Italian Space Agency, participate in a news briefing on the launch readiness of space shuttle mission STS-120. The STS-120 mission will be the 23rd shuttle flight to the International Space Station, delivering the Italian-built U.S. Node 2, called Harmony. The seven-member crew includes ESA astronaut Paolo Nespoli from Italy. The 14-day mission includes five spacewalks -- four by shuttle crew members and one by the station's Expedition 16 crew -- to install Harmony and move the P6 solar arrays to their permanent position and deploy them. Launch aboard space shuttle Discovery is planned for 11:38 a.m. EDT Oct. 23, and Discovery is scheduled to complete its mission and return home on Nov. 6. Photo credit: NASA/George Shelton KSC-07pd2913

KENNEDY SPACE CENTER, FLA. -- Alan Thirkettle, the International Space...

KENNEDY SPACE CENTER, FLA. -- Alan Thirkettle, the International Space Station Program Manager for ESA, the European Space Agency, and Mauro Piermaria, the ESPERIA mission manager for ASI, the Italian Space Age... More

STS-92 Commander Brian Duffy smiles after landing at the KSC Shuttle Landing Facility in a T-38 training jet aircraft. He and the rest of the crew are at KSC to take part in Terminal Countdown Demonstration Test activities, which include emergency egress training from the orbiter and pad, and a simulated countdown. The fifth mission to the International Space Station, STS-92 will carry the Integrated Truss Structure Z1, the first of the planned 10 trusses on the Space Station, and the third Pressurized Mating Adapter. The Z1 will allow the first U.S. solar arrays on a future flight to be temporarily installed on Unity for early power. PMA-3 will provide a Shuttle docking port for the solar array installation on the sixth ISS flight and Lab installation on the seventh ISS flight. STS-92 is scheduled to launch Oct. 5 from launch Pad 39A. It will be the 100th flight in the Shuttle program KSC-00pp1303

STS-92 Commander Brian Duffy smiles after landing at the KSC Shuttle L...

STS-92 Commander Brian Duffy smiles after landing at the KSC Shuttle Landing Facility in a T-38 training jet aircraft. He and the rest of the crew are at KSC to take part in Terminal Countdown Demonstration Tes... More

STS-97 Pilot Mike Bloomfield reaches for the control panel as he settles into his seat in the cockpit on Space Shuttle Endeavour on Launch Pad 39B. He and the rest of the crew are taking part in a simulated launch countdown, part of Terminal Countdown Demonstration Test activities that also include emergency egress training and familiarization with the payload. Mission STS-97 is the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections. STS-97 is scheduled to launch Nov. 30 at about 10:05 p.m. EST KSC-00padig091

STS-97 Pilot Mike Bloomfield reaches for the control panel as he settl...

STS-97 Pilot Mike Bloomfield reaches for the control panel as he settles into his seat in the cockpit on Space Shuttle Endeavour on Launch Pad 39B. He and the rest of the crew are taking part in a simulated lau... More

KENNEDY SPACE CENTER, FLA. - During suit check, STS-115 Mission Specialist Steven MacLean signals confidence about the launch on Space Shuttle Atlantis on Aug. 27. MacLean, who represents the Canadian Space Agency, will be making his second flight on a shuttle. Mission STS-115 is scheduled to lift off about 4:30 p.m. Aug. 27. The crew will deliver and install the P3/P4 segment to the port side of the integrated truss system on the International Space Station. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. The mission is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett KSC-06pd1924

KENNEDY SPACE CENTER, FLA. - During suit check, STS-115 Mission Speci...

KENNEDY SPACE CENTER, FLA. - During suit check, STS-115 Mission Specialist Steven MacLean signals confidence about the launch on Space Shuttle Atlantis on Aug. 27. MacLean, who represents the Canadian Space A... More

KENNEDY SPACE CENTER, FLA. -- In the Orbiter Processing Facility, STS-117 Pilot Lee Archambault checks out the cockpit of the orbiter Atlantis, the vehicle for the mission. He and other crew members are at KSC to take part in a Crew Equipment Interface Test that allows them opportunities to become familiar with equipment and hardware for their mission. STS-117 will deliver the S3/S4 and another pair of solar arrays to the space station. The 21st shuttle mission to the International Space Station, STS-117 is scheduled to launch no earlier than March 16. Photo credit: NASA/Kim Shiflett KSC-06pd2832

KENNEDY SPACE CENTER, FLA. -- In the Orbiter Processing Facility, STS-...

KENNEDY SPACE CENTER, FLA. -- In the Orbiter Processing Facility, STS-117 Pilot Lee Archambault checks out the cockpit of the orbiter Atlantis, the vehicle for the mission. He and other crew members are at KSC... More

KENNEDY SPACE CENTER, FLA. -- STS-120 Commander Pam Melroy and Pilot George Zamka return to crew quarters after disembarking from the Shuttle Training Aircraft, or STAs, behind them on the tarmac at NASA Kennedy Space Center's Shuttle Landing Facility. They were training for their upcoming space shuttle mission by practicing landings in the STAs. Melroy is the second woman to command a shuttle mission. Also assigned to STS-120 are Mission Specialists Scott Parazynski, Stephanie Wilson, Doug Wheelock, Paolo Nespoli and Daniel Tani. Nespoli represents the European Space Agency. Tani will remain on the International Space Station as an Expedition 16 flight engineer after the STS-120 mission is complete. The mission will be the 23rd shuttle flight to the International Space Station, delivering the Italian-built U.S. Node 2, called Harmony. The crew arrived at Kennedy on Oct. 19 to prepare for launch aboard space shuttle Discovery at 11:38 a.m. EDT Oct. 23. The 14-day mission includes five spacewalks -- four by shuttle crew members and one by the station's Expedition 16 crew -- to install Harmony and move the P6 solar arrays to their permanent position and deploy them. Discovery is scheduled to complete its mission and return home on Nov. 6. Photo credit: NASA/Kim Shiflett KSC-07pd2909

KENNEDY SPACE CENTER, FLA. -- STS-120 Commander Pam Melroy and Pilot G...

KENNEDY SPACE CENTER, FLA. -- STS-120 Commander Pam Melroy and Pilot George Zamka return to crew quarters after disembarking from the Shuttle Training Aircraft, or STAs, behind them on the tarmac at NASA Kenned... More

KENNEDY SPACE CENTER, FLA. -- STS-116 Commander Mark Polansky is getting a suit fit-check after practicing landing the orbiter at the controls of the shuttle training aircraft. The STA is a Grumman American Aviation-built Gulf Stream II jet that was modified to simulate an orbiter's cockpit, motion and visual cues, and handling qualities. In flight, the STA duplicates the orbiter's atmospheric descent trajectory from approximately 35,000 feet altitude to landing on a runway. Because the orbiter is unpowered during re-entry and landing, its high-speed glide must be perfectly executed the first time. Launch of Space Shuttle Discovery on mission STS-116 is scheduled for 9:35 p.m. Dec. 7. On the mission, the STS-116 crew will deliver truss segment, P5, to the International Space Station and begin the intricate process of reconfiguring and redistributing the power generated by two pairs of U.S. solar arrays. The P5 will be mated to the P4 truss that was delivered and attached during the STS-115 mission in September. Photo credit: NASA/Kim Shiflett KSC-06pd2655

KENNEDY SPACE CENTER, FLA. -- STS-116 Commander Mark Polansky is ge...

KENNEDY SPACE CENTER, FLA. -- STS-116 Commander Mark Polansky is getting a suit fit-check after practicing landing the orbiter at the controls of the shuttle training aircraft. The STA is a Grumman American ... More

KENNEDY SPACE CENTER, FLA. -- Nearby water reflects the light from Space shuttle Discovery as it heads for blue sky atop twin columns of fire, hurling swirls of smoke and steam across Launch Pad 39A at NASA's Kennedy Space Center. Launching on mission STS-120 to the International Space Station, liftoff was on time at 11:38:19 a.m. EDT. Discovery carries the Italian-built U.S. Node 2, called Harmony. During the 14-day STS-120 mission, the crew will install Harmony and move the P6 solar arrays to their permanent position and deploy them. Discovery is expected to complete its mission and return home at 4:47 a.m. EST on Nov. 6. Photo courtesy of Nikon/Scott Andrews KSC-07pd2969

KENNEDY SPACE CENTER, FLA. -- Nearby water reflects the light from S...

KENNEDY SPACE CENTER, FLA. -- Nearby water reflects the light from Space shuttle Discovery as it heads for blue sky atop twin columns of fire, hurling swirls of smoke and steam across Launch Pad 39A at NASA's... More

KENNEDY SPACE CENTER, FLA. - Twin columns of fire propel Space Shuttle Atlantis into a clear blue sky after liftoff from Launch Pad 39B. Atlantis is heading for a rendezvous with the International Space Station on mission STS-115. Liftoff was on-time at 11:14:55 a.m. EDT. After several launch attempts were scrubbed due to weather and technical concerns, this launch was executed perfectly. Mission STS-115 is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. During the mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. STS-115 is scheduled to last 11 days with a planned landing at KSC KSC-06pp2149

KENNEDY SPACE CENTER, FLA. - Twin columns of fire propel Space Shutt...

KENNEDY SPACE CENTER, FLA. - Twin columns of fire propel Space Shuttle Atlantis into a clear blue sky after liftoff from Launch Pad 39B. Atlantis is heading for a rendezvous with the International Space Stat... More

CAPE CANAVERAL, Fla. – In the White Room on Launch Pad 39A at NASA's Kennedy Space Center in Florida, STS-119 Mission Specialist Steve Swanson is helped by the Closeout Crew to put on his harness. The White Room provides access into space shuttle Discovery. Swanson and other crew members will conduct a simulated launch countdown as part of the prelaunch preparation known as Terminal Countdown Demonstration Test. The TCDT also includes equipment familiarization and emergency egress training. Discovery is targeted to launch on the STS-119 mission Feb. 12. During the 14-day mission, the crew will install the S6 truss segment and solar arrays to the starboard side of the International Space Station, completing the station's truss, or backbone. Photo credit: NASA/Jim Grossmann KSC-2009-1270

CAPE CANAVERAL, Fla. – In the White Room on Launch Pad 39A at NASA's ...

CAPE CANAVERAL, Fla. – In the White Room on Launch Pad 39A at NASA's Kennedy Space Center in Florida, STS-119 Mission Specialist Steve Swanson is helped by the Closeout Crew to put on his harness. The White R... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. Seen here are Mission Specialists Heidemarie Stefanyshyn-Piper and Daniel Burbank, Pilot Chris Ferguson, Mission Specialist Steven MacLean and Commander Brent Jett. MacLean is with the Canadian Space Agency. Not seen is Mission Specialist Joseph Tanner. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1776

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions abou...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. Seen here are Mission Specialists Heidemarie Stefanys... More

KENNEDY SPACE CENTER, FLA. - Huge clouds billow on the horizon behind Space Shuttle Atlantis still sitting on Launch Pad 39B after the scrub of its launch on mission STS-115. Atlantis was originally scheduled to launch at 12:29 p.m. EDT on this date, but a 24-hour scrub was called by mission managers due to a concern with fuel cell 1. Towering above the shuttle is the 80-foot lightning mast. At left is the rolled-back rotating service structure with the payload changeout room open. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Ken Thornsley KSC-06pd2056

KENNEDY SPACE CENTER, FLA. - Huge clouds billow on the horizon behin...

KENNEDY SPACE CENTER, FLA. - Huge clouds billow on the horizon behind Space Shuttle Atlantis still sitting on Launch Pad 39B after the scrub of its launch on mission STS-115. Atlantis was originally scheduled... More

KENNEDY SPACE CENTER, FLA. -- The fiery liftoff of Space Shuttle Discovery from Launch Pad 39B on mission STS-116 is captured in the nearby water. Liftoff occurred on time at 8:47 p.m. EST. This was the second launch attempt for mission STS-116. The first launch attempt on Dec. 7 was postponed due a low cloud ceiling over Kennedy Space Center. This is Discovery's 33rd mission and the first night launch since 2002. The 20th shuttle mission to the International Space Station, STS-116 carries another truss segment, P5. It will serve as a spacer, mated to the P4 truss that was attached in September. After installing the P5, the crew will reconfigure and redistribute the power generated by two pairs of U.S. solar arrays. Landing is expected Dec. 21 at KSC. Photo credit: NASA/Sandy Joseph, Robert Murray & Chris Lynch KSC-06pp2756

KENNEDY SPACE CENTER, FLA. -- The fiery liftoff of Space Shuttle Di...

KENNEDY SPACE CENTER, FLA. -- The fiery liftoff of Space Shuttle Discovery from Launch Pad 39B on mission STS-116 is captured in the nearby water. Liftoff occurred on time at 8:47 p.m. EST. This was the sec... More

KENNEDY SPACE CENTER, FLA. -- At NASA's Kennedy Space Center, the STS-120 crew don their launch and entry suits before heading to Launch Pad 39A for launch aboard space shuttle Discovery to the International Space Station. Seen here is Commander Pamela Melroy, who is making her third shuttle flight. She is only the second woman to command a shuttle mission. Discovery is scheduled for liftoff at 11:38 a.m. EDT. The mission will be the 23rd assembly flight to the space station and the 34th flight for Discovery. Payload on the mission is the Italian-built U.S. Node 2, called Harmony. During the 14-day mission, the crew will install Harmony and move the P6 solar arrays to their permanent position and deploy them. Discovery is expected to complete its mission and return home at 4:47 a.m. EST on Nov. 6. Photo credit: NASA/Kim Shiflett KSC-07pd2936

KENNEDY SPACE CENTER, FLA. -- At NASA's Kennedy Space Center, the STS...

KENNEDY SPACE CENTER, FLA. -- At NASA's Kennedy Space Center, the STS-120 crew don their launch and entry suits before heading to Launch Pad 39A for launch aboard space shuttle Discovery to the International S... More

KENNEDY SPACE CENTER, FLA. - Flaming rockets propel Space Shuttle Atlantis off Launch Pad 39B for a rendezvous with the International Space Station on mission STS-115. In the background is the Atlantic Ocean. Appearing above the nose of the orbiter is the end of the gaseous vent line that leads from the hood, or beanie cap, which has been moved away from the shuttle for liftoff. Liftoff was on-time at 11:14:55 a.m. EDT. After several launch attempts were scrubbed due to weather and technical concerns, this launch was executed perfectly. Mission STS-115 is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. During the mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. STS-115 is scheduled to last 11 days with a planned landing at KSC KSC-06pp2147

KENNEDY SPACE CENTER, FLA. - Flaming rockets propel Space Shuttle Atl...

KENNEDY SPACE CENTER, FLA. - Flaming rockets propel Space Shuttle Atlantis off Launch Pad 39B for a rendezvous with the International Space Station on mission STS-115. In the background is the Atlantic Ocean.... More

KENNEDY SPACE CENTER, FLA. -- While in the White Room to complete suiting up before climbing into Space Shuttle Discovery, STS-116 Mission Specialist Nicholas Patrick sends a message home. In the background is Mission Specialist Christer Fuglesang, who represents the European Space Agency. The White Room is at the end of the orbiter access arm that extends from the fixed service structure and provides entry into the orbiter. The first launch attempt of STS-116 on Dec. 7 was postponed due a low cloud ceiling over Kennedy Space Center. This second launch attempt is scheduled for 8:47 p.m. This is Discovery's 33rd mission and the first night launch since 2002. The 20th shuttle mission to the International Space Station, STS-116 carries another truss segment, P5. It will serve as a spacer, mated to the P4 truss that was attached in September. After installing the P5, the crew will reconfigure and redistribute the power generated by two pairs of U.S. solar arrays. Landing is expected Dec. 21 at KSC. Photo credit: NASA/Tony Gray & Don Kight KSC-06pp2776

KENNEDY SPACE CENTER, FLA. -- While in the White Room to complete sui...

KENNEDY SPACE CENTER, FLA. -- While in the White Room to complete suiting up before climbing into Space Shuttle Discovery, STS-116 Mission Specialist Nicholas Patrick sends a message home. In the background i... More

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39B, the payload transport canister, with the P6 integrated truss segment inside, is lifted toward the payload changeout room (PCR). The PCR is the enclosed, environmentally controlled portion of the Rotating Service Structure (RSS) (on the left) that supports payload delivery at the pad. At right is Space Shuttle Endeavour with its orange external tank and one solid rocket booster showing behind it. When the RSS is closed around Endeavour, the P6 truss will be able to be moved into the orbiter’s payload bay. The P6, payload on mission STS-97, comprises Solar Array Wing-3 and the Integrated Electronic Assembly, to be installed on the International Space Station. The Station’s electrical power system will use eight photovoltaic solar arrays, each 112 feet long by 39 feet wide, to convert sunlight to electricity. The solar arrays are mounted on a “blanket” that can be folded like an accordion for delivery. Once in orbit, astronauts will deploy the blankets to their full size. Gimbals will be used to rotate the arrays so that they will face the Sun to provide maximum power to the Space Station. Launch of STS-97 is scheduled for Nov. 30 at 10:06 p.m. EST KSC00pp1733

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39B, the payload transport...

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39B, the payload transport canister, with the P6 integrated truss segment inside, is lifted toward the payload changeout room (PCR). The PCR is the enclosed, environm... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members are suiting up for their simulated launch countdown. Shown here is Mission Specialist Joseph Tanner. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. The TCDT has included emergency egress training as well as the simulation. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1812

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members are suiting up...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members are suiting up for their simulated launch countdown. Shown here is Mission Specialist Joseph Tanner. The mission crew is at KSC for Terminal Countdown D... More

KENNEDY SPACE CENTER, FLA. -- Atop twin columns of fire, space shuttle Discovery hurtles past the lightning rod atop the fixed service structure on Launch Pad 39A at NASA's Kennedy Space Center. Smoke and steam from liftoff billow across the pad. Liftoff was on time at 11:38:19 a.m. EDT. Discovery carries the Italian-built U.S. Node 2, called Harmony. During the 14-day STS-120 mission, the crew will install Harmony and move the P6 solar arrays to their permanent position and deploy them. Discovery is expected to complete its mission and return home at 4:47 a.m. EST on Nov. 6. Photo credit: NASA/Sandra Joseph, Tony Gray & Robert Murray KSC-07pd2966

KENNEDY SPACE CENTER, FLA. -- Atop twin columns of fire, space shutt...

KENNEDY SPACE CENTER, FLA. -- Atop twin columns of fire, space shuttle Discovery hurtles past the lightning rod atop the fixed service structure on Launch Pad 39A at NASA's Kennedy Space Center. Smoke and ste... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room on the orbiter access arm on Launch Pad 39B to get instruction on using the emergency egress system. From left are Commander Brent Jett, Pilot Chris Ferguson, and Mission Specialists Heidemarie Stefanyshyn-Piper, Joseph Tanner, Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. The White Room provides access into the orbiter through the crew access hatch. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1774

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room o...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room on the orbiter access arm on Launch Pad 39B to get instruction on using the emergency egress system. From left are Commander Brent Jett, Pilo... More

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, the S6 truss segment is on display for the media. The S6 truss segment, with its set of large U.S. solar arrays, will be attached to the starboard, or right, side of the station during space shuttle Discovery's STS-119 mission. The S6 truss will complete the backbone of the station. The two solar wings will provide one-fourth of the total power needed to support a crew of six astronauts. The segment is expected to be loaded into the payload transportation canister Jan. 7, in preparation for its targeted journey to the launch pad Jan. 11. Photo credit: NASA/Kim Shiflett KSC-08pd4071

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at N...

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, the S6 truss segment is on display for the media. The S6 truss segment, with its set of large U.S. s... More

STS-97 Mission Specialist Marc Garneau arrives at the Shuttle Landing Facility aboard a T-38 jet aircraft. Garneau is with the Canadian Space Agency. He and the rest of the crew are at KSC to take part in Terminal Countdown Demonstration Test activities that include emergency egress training, familiarization with the payload, and a simulated launch countdown. The other crew members are Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Joe Tanner and Carlos Noriega. Mission STS-97is the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections. STS-97 is scheduled to launch Nov. 30 at 10:05 p.m. EST KSC00pp1639

STS-97 Mission Specialist Marc Garneau arrives at the Shuttle Landing ...

STS-97 Mission Specialist Marc Garneau arrives at the Shuttle Landing Facility aboard a T-38 jet aircraft. Garneau is with the Canadian Space Agency. He and the rest of the crew are at KSC to take part in Termi... More

Space Shuttle Endeavour finally rests on Launch Pad 39B after its rollout was stalled several hours to fix a broken cleat on the crawler-transporter. At the far left is the Rotating Service Structure. From the Fixed Service Structure, the Orbiter Access Arm is already extended to the orbiter. Endeavour is scheduled to be launched Nov. 30 at 10:01 p.m. EST on mission STS-97, the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections KSC-00dig069

Space Shuttle Endeavour finally rests on Launch Pad 39B after its roll...

Space Shuttle Endeavour finally rests on Launch Pad 39B after its rollout was stalled several hours to fix a broken cleat on the crawler-transporter. At the far left is the Rotating Service Structure. From the ... More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery looms against the pre-dawn, cloud-streaked sky as it makes the slow 3.4-mile journey to Launch Pad 39A. The shuttle sits atop the mobile launcher platform, which are being moved by the massive crawler-transporter beneath. First motion out of the Vehicle Assembly Building was at 5:17 a.m. EST. Discovery is targeted to launch to the International Space Station Feb. 12. During Discovery's 14-day mission, the crew will install the S6 truss segment and its solar arrays to the starboard side of the station, completing the station's backbone, or truss, enabling a six-person crew to live there starting in May. Photo credit: NASA/Troy Cryder KSC-2009-1119

CAPE CANAVERAL, Fla. -- Space shuttle Discovery looms against the pre-...

CAPE CANAVERAL, Fla. -- Space shuttle Discovery looms against the pre-dawn, cloud-streaked sky as it makes the slow 3.4-mile journey to Launch Pad 39A. The shuttle sits atop the mobile launcher platform, which... More

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 arrives at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for a second launch attempt on Sept. 6 to the International Space Station. Seen here is Mission Specialist Heidemarie Stefanyshyn-Piper (center) shaking hands with Shuttle Launch Director Mike Leinbach as Mission Specialist Joe Tanner looks on. Mission managers cancelled Atlantis' first launch campaign due to a lightning strike at the pad and the passage of Tropical Storm Ernesto along Florida's east coast. The mission will deliver and install the 17-and-a-half-ton P3/P4 truss segment to the port side of the integrated truss system on the orbital outpost. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. STS-115 is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett KSC-06pd2017

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 arrives at NA...

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 arrives at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for a second launch attempt on Sept. 6 to the International Space Station. See... More

KENNEDY SPACE CENTER, FLA. -- Across the expanse of the turn basin, Space Shuttle Atlantis is seen as it creeps toward Launch Pad 39A. At left is the 525-foot-tall Vehicle Assembly Building. First motion was at 8:19 a.m. The 3.4-mile trip along the crawlerway will take about 6 hours. The mission payload aboard Space Shuttle Atlantis is the S3/S4 integrated truss structure, along with a third set of solar arrays and batteries. The crew of six astronauts will install the truss to continue assembly of the International Space Station. Launch is targeted for March 15. Photo credit: NASA/Kim Shiflett KSC-07pd0383

KENNEDY SPACE CENTER, FLA. -- Across the expanse of the turn basin, S...

KENNEDY SPACE CENTER, FLA. -- Across the expanse of the turn basin, Space Shuttle Atlantis is seen as it creeps toward Launch Pad 39A. At left is the 525-foot-tall Vehicle Assembly Building. First motion was ... More

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk to the media after arriving at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for a second launch attempt on Sept. 6 to the International Space Station. Seen here, left to right, are Mission Specialists Steven MacLean and Joseph Tanner, Commander Brent Jett, Pilot Christopher Ferguson, and Mission Specialists Heidemarie Stefanyshyn-Piper and Daniel Burbank. Mission managers cancelled Atlantis' first launch campaign due to a lightning strike at the pad and the passage of Tropical Storm Ernesto along Florida's east coast. The mission will deliver and install the 17-and-a-half-ton P3/P4 truss segment to the port side of the integrated truss system on the orbital outpost. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. STS-115 is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett KSC-06pd2012

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk ...

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk to the media after arriving at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for a second launch attempt on Sept. 6 to the... More

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, STS-119 Mission Specialist Steve Swanson is ready to practice driving the M-113 armored personnel carrier used for emergency escape, if needed, from the launch pad. The crew members are at Kennedy for prelaunch preparation known as terminal countdown demonstration test, or TCDT. The training provides astronauts and ground crews with an opportunity to participate in various simulated countdown activities, including equipment familiarization and a simulated launch countdown. The crew of space shuttle Discovery is targeted to launch on the STS-119 mission Feb. 12. During Discovery's 14-day mission, the crew will install the S6 truss segment and solar arrays to the starboard side of the International Space Station, completing the station's truss, or backbone. Photo credit: NASA/Kim Shiflett KSC-2009-1207

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, STS...

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, STS-119 Mission Specialist Steve Swanson is ready to practice driving the M-113 armored personnel carrier used for emergency escape, if needed,... More

KENNEDY SPACE CENTER, FLA. - Storm clouds gather behind Space Shuttle Atlantis on Launch Pad 39B. Atlantis was originally scheduled to launch on Aug. 27, but a scrub was called by mission managers due to a concern with fuel cell 1. Towering above the shuttle is the 80-foot lightning mast. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Ken Thornsley KSC-06pd2064

KENNEDY SPACE CENTER, FLA. - Storm clouds gather behind Space Shutt...

KENNEDY SPACE CENTER, FLA. - Storm clouds gather behind Space Shuttle Atlantis on Launch Pad 39B. Atlantis was originally scheduled to launch on Aug. 27, but a scrub was called by mission managers due to ... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members complete their suitup in the White Room before entering Space Shuttle Atlantis on Launch Pad 39B for a simulated launch countdown. Shown here are Mission Specialists Daniel Burbank (left) and Steven MacLean. The White Room, which is located at the end of the orbiter access arm, allows entry into the orbiter through the crew access hatch. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch. Liftoff of Atlantis is scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Jim Grossmann KSC-06pd1822

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members complete their ...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members complete their suitup in the White Room before entering Space Shuttle Atlantis on Launch Pad 39B for a simulated launch countdown. Shown here are Mission ... More

KENNEDY SPACE CENTER, FLA. -- This closeup view shows the water flooding the mobile launcher platform below Space Shuttle Discovery as it lifts off Launch Pad 39B on mission STS-116. Discovery lifted off from KSC's Launch Pad 39B at 8:47 p.m. EST on mission STS-116. This was the second launch attempt for mission STS-116. The first launch attempt on Dec. 7 was postponed due a low cloud ceiling over Kennedy Space Center. This is Discovery's 33rd mission and the first night launch since 2002. The 20th shuttle mission to the International Space Station, STS-116 carries another truss segment, P5. It will serve as a spacer, mated to the P4 truss that was attached in September. After installing the P5, the crew will reconfigure and redistribute the power generated by two pairs of U.S. solar arrays. Landing is expected Dec. 21 at KSC. KSC-06pp2771

KENNEDY SPACE CENTER, FLA. -- This closeup view shows the water flood...

KENNEDY SPACE CENTER, FLA. -- This closeup view shows the water flooding the mobile launcher platform below Space Shuttle Discovery as it lifts off Launch Pad 39B on mission STS-116. Discovery lifted off from ... More

KENNEDY SPACE CENTER, Fla. -- The plume of smoke grows behind Space Shuttle Discovery as it hurtles into space on mission STS-105. Liftoff occurred on time at 5:10:14 p.m. EDT. Besides the Shuttle crew of four, Discovery carries the Expedition Three crew who will replace Expedition Two on the International Space Station. The mission includes the third flight of an Italian-built Multi-Purpose Logistics Module delivering additional scientific racks, equipment and supplies for the Space Station, and two spacewalks. Part of the payload is the Early Ammonia Servicer (EAS) tank, which will be attached to the Station during the spacewalks. The EAS will be installed on the P6 truss, which holds the Station’s giant U.S. solar arrays, batteries and the cooling radiators. The EAS contains spare ammonia for the Station’s cooling system. The three-member Expedition Two crew will be returning to Earth aboard Discovery after a five-month stay on the Station KSC01padig267

KENNEDY SPACE CENTER, Fla. -- The plume of smoke grows behind Space Sh...

KENNEDY SPACE CENTER, Fla. -- The plume of smoke grows behind Space Shuttle Discovery as it hurtles into space on mission STS-105. Liftoff occurred on time at 5:10:14 p.m. EDT. Besides the Shuttle crew of four,... More

KENNEDY SPACE CENTER, FLA. - Workers on Launch Pad 39B watch closely as Space Shuttle Atlantis' payload bay doors begin to close. Inside the payload bay is the orbiter's cargo, the 17-and-a-half-ton P3/P4 truss segment for the International Space Station. Mission STS-115 is scheduled to lift off about 4:30 p.m. Aug. 27. The crew will deliver and install the P3/P4 segment to the port side of the integrated truss system on the International Space Station. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. The mission is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett KSC-06pd1916

KENNEDY SPACE CENTER, FLA. - Workers on Launch Pad 39B watch closely ...

KENNEDY SPACE CENTER, FLA. - Workers on Launch Pad 39B watch closely as Space Shuttle Atlantis' payload bay doors begin to close. Inside the payload bay is the orbiter's cargo, the 17-and-a-half-ton P3/P4 tru... More

CAPE CANAVERAL, Fla. – On Launch Pad 39A at NASA's Kennedy Space Center in Florida, space shuttle Discovery's payload bay doors are closed. Inside, the cargo consists of the integrated truss structure S6 and solar arrays for the STS-119 mission to the International Space Station. During Discovery's 14-day mission, the shuttle's seven astronauts will install the S6 truss to the starboard side of the space station, completing the station's truss, or backbone. Launch of Discovery on the STS-119 mission is targeted for Feb. 12. Photo credit: NASA/Dimitri Gerondidakis KSC-2009-1295

CAPE CANAVERAL, Fla. – On Launch Pad 39A at NASA's Kennedy Space Cent...

CAPE CANAVERAL, Fla. – On Launch Pad 39A at NASA's Kennedy Space Center in Florida, space shuttle Discovery's payload bay doors are closed. Inside, the cargo consists of the integrated truss structure S6 and ... More

KENNEDY SPACE CENTER, FLA. - After rollback of the rotating service structure on Launch Pad 39B, Space Shuttle Atlantis shines in the late afternoon sun. The RSS provides protected access to the orbiter for changeout and servicing of payloads at the pad and then is rolled away before liftoff. At right is the 300,000-gallon water tank that releases a deluge of water across the mobile launcher platform during liftoff to aid sound suppression. Atlantis is scheduled to launch Sept. 6 at 12:29 p.m. EDT on mission STS-115. During the mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. STS-115 is scheduled to last 11 days with a planned KSC landing at about 8:03 a.m. EDT on Sept. 17. Photo credit: NASA/Ken Thornsley KSC-06pd2045

KENNEDY SPACE CENTER, FLA. - After rollback of the rotating service ...

KENNEDY SPACE CENTER, FLA. - After rollback of the rotating service structure on Launch Pad 39B, Space Shuttle Atlantis shines in the late afternoon sun. The RSS provides protected access to the orbiter for ... More

KENNEDY SPACE CENTER, FLA. -- Trailing a column of fire, space shuttle Discovery hurtles toward space on mission STS-120 to the International Space Station as it breaks free from Launch Pad 39A at NASA's Kennedy Space Center. Liftoff was on time at 11:38:19 a.m. EDT. Discovery carries the Italian-built U.S. Node 2, called Harmony. During the 14-day STS-120 mission, the crew will install Harmony and move the P6 solar arrays to their permanent position and deploy them. Discovery is expected to complete its mission and return home at 4:47 a.m. EST on Nov. 6. Photo credit: NASA/Sandra Joseph, Tony Gray & Robert Murray KSC-07pd2958

KENNEDY SPACE CENTER, FLA. -- Trailing a column of fire, space shuttl...

KENNEDY SPACE CENTER, FLA. -- Trailing a column of fire, space shuttle Discovery hurtles toward space on mission STS-120 to the International Space Station as it breaks free from Launch Pad 39A at NASA's Kenne... More

KENNEDY SPACE CENTER, FLA. - In high bay 3 of the Vehicle Assembly Building, the orbiter Atlantis has been lowered onto the mobile launcher platform below for mating with the external tank and solid rocket boosters already in place. After the stacking, Atlantis will undergo a shuttle interface test and other prelaunch processing. Atlantis' launch window begins Aug. 28. During its 11-day mission to the International Space Station, the STS-115 crew of six astronauts will continue construction of the station and install their cargo, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Troy Cryder KSC-06pd1667

KENNEDY SPACE CENTER, FLA. - In high bay 3 of the Vehicle Assembly Bu...

KENNEDY SPACE CENTER, FLA. - In high bay 3 of the Vehicle Assembly Building, the orbiter Atlantis has been lowered onto the mobile launcher platform below for mating with the external tank and solid rocket boo... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour and the Mobile Launcher Platform (MLP) start backing through the gate to Launch Pad 39B after a cracked cleat was discovered on the crawler-transporter. Workers near the pad (behind the crawler track) look at the cleats. The vehicle, which moves the MLP and Shuttle at about 1 mph, has a leveling system designed to keep the top of the Space Shuttle vertical while negotiating the 5 percent grade leading to the top of the pad. When the Shuttle-MLP are back on level ground, the crawler tracks will be inspected and the broken cleat repaired. Endeavour is scheduled to be launched Nov. 30 at 10:01 p.m. EST on mission STS-97, the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections KSC00padig059

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour and the Mobile L...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour and the Mobile Launcher Platform (MLP) start backing through the gate to Launch Pad 39B after a cracked cleat was discovered on the crawler-transporter. Wor... More

KENNEDY SPACE CENTER, FLA. - Twin columns of fire propel Space Shuttle Atlantis into a clear blue sky after liftoff from Launch Pad 39B. At left is the fixed service structure, topped by the lightning mast. Clouds of smoke and steam nearly obscure the pad. Atlantis is heading for a rendezvous with the International Space Station on mission STS-115. Liftoff was on-time at 11:14:55 a.m. EDT. After several launch attempts were scrubbed due to weather and technical concerns, this launch was executed perfectly. Mission STS-115 is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the International Space Station. During the mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. STS-115 is scheduled to last 11 days with a planned landing at KSC KSC-06pp2153

KENNEDY SPACE CENTER, FLA. - Twin columns of fire propel Space Shutt...

KENNEDY SPACE CENTER, FLA. - Twin columns of fire propel Space Shuttle Atlantis into a clear blue sky after liftoff from Launch Pad 39B. At left is the fixed service structure, topped by the lightning mast. ... More

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, STS-119 Pilot Tony Antonelli is ready to practice driving the M-113 armored personnel carrier used for emergency escape, if needed, from Launch Pad 39A. The crew members are at Kennedy for prelaunch preparation known as terminal countdown demonstration test, or TCDT. The training provides astronauts and ground crews with an opportunity to participate in various simulated countdown activities, including equipment familiarization and a simulated launch countdown. The crew of space shuttle Discovery is targeted to launch on the STS-119 mission Feb. 12. During Discovery's 14-day mission, the crew will install the S6 truss segment and solar arrays to the starboard side of the International Space Station, completing the station's truss, or backbone. Photo credit: NASA/Kim Shiflett KSC-2009-1202

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, ST...

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, STS-119 Pilot Tony Antonelli is ready to practice driving the M-113 armored personnel carrier used for emergency escape, if needed, from Launc... More

At the Shuttle Landing Facility, STS-97 Mission Specialist Marc Garneau, who is with the Canadian Space Agency, climbs down from a T-38 jet aircraft that brought him to KSC from Johnson Space Center. He and the rest of the crew have returned to KSC for the launch, scheduled for Nov. 30 at about 10:06 p.m. EST. Mission STS-97is the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections. STS-97 is scheduled to launch Nov. 30 at about 10:06 p.m. EST KSC-00pp1755

At the Shuttle Landing Facility, STS-97 Mission Specialist Marc Garnea...

At the Shuttle Landing Facility, STS-97 Mission Specialist Marc Garneau, who is with the Canadian Space Agency, climbs down from a T-38 jet aircraft that brought him to KSC from Johnson Space Center. He and the... More

KENNEDY SPACE CENTER, FLA. - With umbilicals still attached, the orbiter Atlantis is being towed from the Shuttle Landing Facility to the Orbiter Processing Facility. Atlantis landed on Runway 33 at 6:21:30 a.m. EDT after the 11-day, 19-hour, 6-minute mission STS-115 to the International Space Station. Atlantis traveled 4.9 million miles, landing on orbit 187. During the mission, astronauts delivered and installed the massive P3/P4 truss, an integral part of the station's backbone, and two sets of solar arrays that will eventually provide one quarter of the station's power. In the OPF, the process flow will begin to ready the vehicle for its next flight. Photo credit: NASA/George Shelton KSC-06pd2207

KENNEDY SPACE CENTER, FLA. - With umbilicals still attached, the orbit...

KENNEDY SPACE CENTER, FLA. - With umbilicals still attached, the orbiter Atlantis is being towed from the Shuttle Landing Facility to the Orbiter Processing Facility. Atlantis landed on Runway 33 at 6:21:30 a.... More

KENNEDY SPACE CENTER, FLA. -- Viewed from the Shuttle Landing Facility at NASA's Kennedy Space Center, space shuttle Discovery hurtles through the clouds trailing a column of fire and smoke. Liftoff was on time at 11:38:19 a.m. EDT. Discovery carries the Italian-built U.S. Node 2, called Harmony. During the 14-day STS-120 mission, the crew will install Harmony and move the P6 solar arrays to their permanent position and deploy them. Discovery is expected to complete its mission and return home at 4:47 a.m. EST on Nov. 6. Photo credit: NASA/Chuck Tintera KSC-07pd2955

KENNEDY SPACE CENTER, FLA. -- Viewed from the Shuttle Landing Facilit...

KENNEDY SPACE CENTER, FLA. -- Viewed from the Shuttle Landing Facility at NASA's Kennedy Space Center, space shuttle Discovery hurtles through the clouds trailing a column of fire and smoke. Liftoff was on ti... More

KENNEDY SPACE CENTER, FLA. -- On a cloudy Florida day, Space Shuttle Atlantis awaits launch atop a mobile launch platform at Launch Pad 39A. At the right of the pad is the 290-foot tall, 300,000-gallon water tank that is part of the sound suppression system during launches. In the foreground is the crawlerway. a 130-foot-wide roadway with a 5-percent grade leading to the top of the launch pad. Rollback of the pad's rotating service structure, or RSS, is one of the milestones in preparation for the launch of mission STS-117 on June 8. Rollback started at 10:56 p.m. EDT June 7 and was complete at 11:34 p.m. The RSS, the massive structure to the left of the shuttle, provides protected access to the orbiter for changeout and servicing of payloads at the pad. The structure is supported by a rotating bridge that pivots about a vertical axis on the side of the pad's flame trench. The hinge column rests on the pad surface and is braced to the fixed service structure. Support for the outer end of the bridge is provided by two eight-wheel, motor-driven trucks that move along circular twin rails installed flush with the pad surface. The track crosses the flame trench on a permanent bridge. The RSS is 102 feet long, 50 feet wide and 130 feet high. The structure has orbiter access platforms at five levels to provide access to the payload bay while the orbiter is being serviced in the RSS. Each platform has independent extendable planks that can be arranged to conform to a payload's configuration. This mission is the 118th shuttle flight and the 21st U.S. flight to the International Space Station and will deliver and install the S3/S4 truss segment, deploy a set of solar arrays and prepare them for operation. Photo credit: NASA/Ken Thornsley KSC-07pd1403

KENNEDY SPACE CENTER, FLA. -- On a cloudy Florida day, Space Shuttle A...

KENNEDY SPACE CENTER, FLA. -- On a cloudy Florida day, Space Shuttle Atlantis awaits launch atop a mobile launch platform at Launch Pad 39A. At the right of the pad is the 290-foot tall, 300,000-gallon water ta... More

CAPE CANAVERAL, Fla. - In Orbiter Processing Facility bay 3 at NASA's Kennedy Space Center in Florida, space shuttle main engine No. 1 is installed in space shuttle Discovery. Each engine is 14 feet long, weighs about 6,700 pounds, and is 7.5 feet in diameter at the end of the nozzle. Discovery is being processed for its next mission, STS-119, targeted for launch on Feb. 12, 2009. Discovery and its crew will deliver integrated truss structure 6 (S6) and solar arrays to the International Space Station. Photo credit: NASA/Dimitri Gerondidakis KSC-08pd2949

CAPE CANAVERAL, Fla. - In Orbiter Processing Facility bay 3 at NASA's ...

CAPE CANAVERAL, Fla. - In Orbiter Processing Facility bay 3 at NASA's Kennedy Space Center in Florida, space shuttle main engine No. 1 is installed in space shuttle Discovery. Each engine is 14 feet long, weig... More

KENNEDY SPACE CENTER, FLA. -- The STS-117 crew members stride out of the Operations and Checkout Building as they head for the astrovan to take them to Launch Pad 39A. Leading the way are Pilot Lee Archambault (left) and Commander Frederick Sturckow. Behind them, left and right, are Mission Specialists Patrick Forrester and Steven Swanson, John "Danny" Olivas and astronaut Clayton Anderson, and James Reilly at the rear. Anderson is joining the Expedition 15 crew on the International Space Station; Flight Engineer Suni Williams will return to Earth in his place. Liftoff is scheduled for 7:38 p.m. today aboard Space Shuttle Atlantis. The shuttle is delivering a new segment to the starboard side of the International Space Station's backbone, known as the truss. Three spacewalks are planned to install the S3/S4 truss segment, deploy a set of solar arrays and prepare them for operation. STS-117 is the 118th space shuttle flight, the 21st flight to the station, the 28th flight for Atlantis and the first of four flights planned for 2007. Photo credit: NASA/Kim Shiflett KSC-07pd1424

KENNEDY SPACE CENTER, FLA. -- The STS-117 crew members stride out of ...

KENNEDY SPACE CENTER, FLA. -- The STS-117 crew members stride out of the Operations and Checkout Building as they head for the astrovan to take them to Launch Pad 39A. Leading the way are Pilot Lee Archambault... More

KENNEDY SPACE CENTER, FLA. - STS-115 Commander Brent Jett settles in the cockpit of the Shuttle Training Aircraft to practice landing the shuttle. STA practice is part of launch preparations. The STA is a Grumman American Aviation-built Gulf Stream II jet that was modified to simulate an orbiter’s cockpit, motion and visual cues, and handling qualities. In flight, the STA duplicates the orbiter’s atmospheric descent trajectory from approximately 35,000 feet altitude to landing on a runway. Because the orbiter is unpowered during re-entry and landing, its high-speed glide must be perfectly executed the first time. Mission STS-115 is scheduled to lift off about 12:29 p.m. Sept. 6. Mission managers cancelled Atlantis' first launch campaign due to a lightning strike at the pad and the passage of Tropical Storm Ernesto along Florida's east coast. The mission will deliver and install the 17-and-a-half-ton P3/P4 truss segment to the port side of the integrated truss system on the orbital outpost. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. STS-115 is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett KSC-06pd2027

KENNEDY SPACE CENTER, FLA. - STS-115 Commander Brent Jett settles in t...

KENNEDY SPACE CENTER, FLA. - STS-115 Commander Brent Jett settles in the cockpit of the Shuttle Training Aircraft to practice landing the shuttle. STA practice is part of launch preparations. The STA is a Grumm... More

KENNEDY SPACE CENTER, FLA. -- Under a blue sky streaked with clouds, Launch Pad 39B holds Space Shuttle Discovery, ready for launch of mission STS-116. At the far left is the rotating service structure, rolled back after midnight in preparation for launch. Next to Discovery is the fixed service structure, with the 80-foot-high lightning mast on top, part of the lightning protection system on the pad. Beneath Discovery's wings are the tail masts, which provide several umbilical connections to the orbiter, including a liquid-oxygen line through one and a liquid-hydrogen line through another. Seen above the golden external tank is the vent hood (known as the "beanie cap") at the end of the gaseous oxygen vent arm, extending from the FSS. Vapors are created as the liquid oxygen in the external tank boil off. The hood vents the gaseous oxygen vapors away from the space shuttle vehicle. Below it, also extending toward Discovery from the FSS, is the orbiter access arm with the White Room at the end. The crew gains access into the orbiter through the White Room. Discovery is scheduled to launch on mission STS-116 at 9:35 p.m. today. On the mission, the crew will deliver truss segment, P5, to the International Space Station and begin the intricate process of reconfiguring and redistributing the power generated by two pairs of U.S. solar arrays. The P5 will be mated to the P4 truss that was delivered and attached during the STS-115 mission in September. Photo credit: NASA/Ken Thornsley KSC-06pd2674

KENNEDY SPACE CENTER, FLA. -- Under a blue sky streaked with clouds...

KENNEDY SPACE CENTER, FLA. -- Under a blue sky streaked with clouds, Launch Pad 39B holds Space Shuttle Discovery, ready for launch of mission STS-116. At the far left is the rotating service structure, rol... More

After rollback of the Rotating Service Structure (at left), Space Shuttle Endeavour stands ready for launch targeted for 10:06 p.m. EST tonight on mission STS-97 to the International Space Station. The orbiter carries the P6 Integrated Truss Segment containing solar arrays that will be temporarily installed to the Unity connecting module by the Z1 truss, recently delivered to and installed on the Station on mission STS-92. The two solar arrays are each more than 100 feet long. They will capture energy from the sun and convert it to power for the Station. Two spacewalks will be required to install the solar array connections KSC-00pp1776

After rollback of the Rotating Service Structure (at left), Space Shut...

After rollback of the Rotating Service Structure (at left), Space Shuttle Endeavour stands ready for launch targeted for 10:06 p.m. EST tonight on mission STS-97 to the International Space Station. The orbiter ... More

Skylab. NASA Skylab space station

Skylab. NASA Skylab space station

The Apollo Telescope Mount (ATM), one of four major components comprising Skylab, was designed and developed by the Marshall Space Flight Center. Power to operate the ATM's instruments and experiments was colle... More

Skylab. NASA Skylab space station

Skylab. NASA Skylab space station

The Apollo Telescope Mount (ATM), one of four major components comprising Skylab, was designed and developed by the Marshall Space Flight Center. Power to operate the ATM's instruments and experiments was colle... More

Skylab. NASA Skylab space station

Skylab. NASA Skylab space station

This striking image of Skylab was photographed by Astronaut Jack Lousma (Skylab-3), as the second crew reached the orbiting laboratory over the delta of the mighty Amazon River. Skylab's solar arrays were expos... More

Skylab and Earth Limb. NASA Skylab space station

Skylab and Earth Limb. NASA Skylab space station

An overhead view of the Skylab Orbital Workshop in Earth orbit as photographed from the Skylab 4 Command and Service Modules (CSM) during the final fly-around by the CSM before returning home. The space station... More

KENNEDY SPACE CENTER, FLA. -- The Integrated Equipment Assembly (IEA), one of two major components of the Starboard 6 (S6) truss segment for the International Space Station (ISS), arrives at the Shuttle Landing Facility aboard NASA's Super Guppy cargo airplane. The customized four-engine aricraft has a 24-foot-diameter fuselage and a foldaway nose enabling it to load and transport oversize cargo. The IEA will be joined to its companion piece, the Long Spacer, before launch early in 2004. The S6 truss segment will be the 11th and final piece of the Station's Integrated Truss Structure and will support the fourth and final set of solar arrays, batteries, and electronics. KSC-02pd1905

KENNEDY SPACE CENTER, FLA. -- The Integrated Equipment Assembly (IEA),...

KENNEDY SPACE CENTER, FLA. -- The Integrated Equipment Assembly (IEA), one of two major components of the Starboard 6 (S6) truss segment for the International Space Station (ISS), arrives at the Shuttle Landing... More

KENNEDY SPACE CENTER, FLA. -- The Integrated Equipment Assembly (IEA), one of two major components of the Starboard 6 (S6) truss segment for the International Space Station (ISS), is revealed inside NASA's Super Guppy cargo airplane following its arrival at the Shuttle Landing Facility. The customized four-engine aricraft has a 24-foot-diameter fuselage and a foldaway nose enabling it to load and transport oversize cargo. The IEA will be joined to its companion piece, the Long Spacer, before launch early in 2004. The S6 truss segment will be the 11th and final piece of the Station's Integrated Truss Structure and will support the fourth and final set of solar arrays, batteries, and electronics. KSC-02pd1908

KENNEDY SPACE CENTER, FLA. -- The Integrated Equipment Assembly (IEA),...

KENNEDY SPACE CENTER, FLA. -- The Integrated Equipment Assembly (IEA), one of two major components of the Starboard 6 (S6) truss segment for the International Space Station (ISS), is revealed inside NASA's Supe... More

SOLAR MODULES AND SOLAR ARRAYS - Public domain NASA photogrpaph

SOLAR MODULES AND SOLAR ARRAYS - Public domain NASA photogrpaph

The original finding aid described this as: Capture Date: 5/3/1976 Photographer: MARTIN BROWN Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel

SOLAR MODULES AND SOLAR ARRAYS - Public domain NASA photogrpaph

SOLAR MODULES AND SOLAR ARRAYS - Public domain NASA photogrpaph

The original finding aid described this as: Capture Date: 5/3/1976 Photographer: MARTIN BROWN Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel

SOLAR MODULES AND SOLAR ARRAYS - Public domain NASA photogrpaph

SOLAR MODULES AND SOLAR ARRAYS - Public domain NASA photogrpaph

The original finding aid described this as: Capture Date: 5/3/1976 Photographer: MARTIN BROWN Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel

SOLAR MODULES AND SOLAR ARRAYS - Public domain NASA photogrpaph

SOLAR MODULES AND SOLAR ARRAYS - Public domain NASA photogrpaph

The original finding aid described this as: Capture Date: 5/3/1976 Photographer: MARTIN BROWN Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel

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