Third “free flight” of Shuttle Orbiter 101 Spacecraft

S77-28542 (23 Sept 1977) --- The shuttle Orbiter 101 "Enterprise" separates from the NASA 747 carrier aircraft during the third free flight of the Shuttle Approach and Landing Tests (ALT) conducted on September 23, 1977, at the Dryden Flight Research Center (DFRC) in Southern California. The vehicle, with astronauts Fred W. Haise Jr., commander, and C. Gordon Fullerton, pilot, remained in unpowered flight for five-minutes and 34-seconds before landing on the desert land of Edwards Air Force Base.