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 St. Stanislaus commanding No. 207 Squadron RAF was aged 46 when he was killed in action on 23 March 1944 flying an Avro Lancaster, he was a veteran pilot who had served in World War I and had half of a hand shot off. Possibly the youngest member of aircrew to be killed serving with an operational bomber squadron is Flight Sergeant Edward James Wright Royal Canadian Air Force who was killed aboard an Avro Lancaster of No. 428 Squadron RCAF on 30 April 1945 apparently aged 16. A number of seventeen year olds were lost flying operationally with RAF