The Boeing Phantom Ray unmanned airborne system sits atop a NASA Shuttle Carrier Aircraft (SCA), a modified Boeing 747, as it takes off at 1:40 p.m. Central time for a test flight at Lambert International Airport on December 13, 2010. The 50-minute flight was conducted in preparation for Phantom Ray's transport on the SCA to the Dryden Flight Research Center at Edwards Air Force Base, Calif.