The flight into space that made Pilot-Capt. Dan Barstow famous. The flight was listed at GHQ as Project Songbird . It was sponsored by the Space Medicine Labs of the U.S. Air Force. And its pilot was Captain Dan Barstow. A hand-picked man, Dan Barstow, chosen for the AF's most important project of the year because he and his VX-3 had already broken all previous records set by hordes of V-2s, Navy Aerobees and anything else that flew the skyways. Dan Barstow, first man to cross the sea of air and