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 Training Wing, established on 15 April 1948 at Wheeler Field, Hawaii, and this organization. The mission of the wing was to provide both Classification and Preflight stage training to air cadets which had completed Training Command basic indoctrination training. Once the cadet successfully completed the training at the center, they would be assigned to one of the AAF primary flight schools for initial flying training. 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