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
33d Flying Training Wing (World War II) 33d Flying Training Wing (World War II) The 33d Flying Training Wing is an inactive United States Air Force unit. It was last assigned to the Central Flying Training Command, and was disbanded on 13 October 1946 at Randolph Field, Texas. There is no lineage between the United States Air Force 33d Fighter Wing, established on 15 October 1947 at Roswell Army Airfield, New Mexico, and this organization. The wing was a World War II Command and Control organization which supported Training Command Flight Schools in Central and Northern Texas and Oklaholma. The assigned schools provided phase III advanced two-engine