Boeing YB-40 Flying Fortress March 1944. All of the aircraft were sent to reclamation, mostly at RFC Ontario in May 1945, being broken up and smelted. (A couple of the YB-40s can be seen in the 1946 movie "The Best Years of Our Lives", in the famous scene shot at the Ontario "graveyard".) No airframes were sold on the civil market. Boeing YB-40 Flying Fortress The Boeing YB-40 Flying Fortress was a modification for operational testing purposes of the B-17 Flying Fortress bomber aircraft, converted to act as a heavily armed gunship for other bombers during World War II. At the time of its
81st Flying Training Wing (World War II) 81st Flying Training Wing (World War II) The 81st Flying Training Wing is an inactive United States Air Force unit. It was last assigned to the Western Flying Training Command, and was disbanded on 1 November 1945 at the Santa Ana Army Air Base, California. The squadron was a World War II Command and Control unit, its mission was to provide classification and preflight testing of aviation cadets. It was one of three such centers, the others being at Maxwell Field, Alabama and San Antonio Aviation Cadet Center, Texas. There is no lineage between the current United States Air Force