Boeing B-17 Flying Fortress NAN10-50.jpg|thumb|B-17 modified for testing of the [[Pratt & Whitney T34|XT-34 turboprop]]. When testing concluded, the aircraft was restored to stock configuration as the "[[Liberty Belle (B-17)|Liberty Belle]]", but was lost in a post-forced-landing fire near [[Oswego, Illinois]] on 13 June 2011.]] [[Category:Boeing aircraft|B-17 Flying Fortress]] [[Category:United States bomber aircraft 1930–1939]] [[Category:Four-engined tractor aircraft]] [[Category:Low-wing aircraft]] [[Category:World War II bombers of the United States]] [[Category:Boeing B-17 Flying Fortress| ]] [[Category:Aircraft first flown in 1935]] Boeing B-17 Flying Fortress The Boeing B-17 Flying Fortress is a four-engined heavy bomber developed in the 1930s for the United States Army Air Corps (USAAC). Competing
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