VANDENBERG AIR FORCE BASE, Calif. – The Taurus XL Stage 0 motor has been moved into Orbital Sciences' Hangar 1555 at Vandenberg Air Force Base in California. The Taurus XL will launch NASA's Orbiting Carbon Observatory, or OCO, spacecraft targeted for Jan. 15. The OCO is a new Earth-orbiting mission sponsored by NASA's Earth System Science Pathfinder Program. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3545