Boeing XB-38 Flying Fortress The XB-38 was destroyed and the project was canceled, in part because the V-1710 engines were needed for other projects such as the Lockheed P-38 Lightning, Bell P-39 Airacobra, Curtiss P-40 Warhawk, North American P-51A Mustang, and Bell P-63 Kingcobra fighters. Boeing XB-38 Flying Fortress The XB-38 Flying Fortress was a single example conversion of a production B-17E Flying Fortress, testing whether the Allison V-1710 V type engine could be substituted for the standard Wright R-1820 radial engine during early World War II. The XB-38 was the result of a modification project undertaken by Boeing and Vega (a subsidiary of
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