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
RAF Bomber Command aircrew of World War II have those black shoes" and similar comments. Airmen shared accommodation blocks and it was normal to have spare beds or even a half-empty hut after a night operation. A total of 57,205 members of RAF Bomber Command or airmen flying on attachment to RAF Bomber Command were killed or posted missing in World War II. It was not unusual for the heavy bombers to complete their operational sortie and return home with members of their crew dead or dying aboard the aircraft, or with the rear gun turret blown off. Flight Sergeant Jim Rossiter of the Royal Australian Air Force