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 and listed 2,198 airmen. A number of evading aircrew were captured due to the duplicity of French collaborators who betrayed them to the Gestapo. Air Commodore Ronald Ivelaw-Chapman a staff officer at No. 1 Group RAF was the highest-ranking officer of RAF Bomber Command to be taken prisoner in World War II while flying operationally, he was flying as second pilot aboard an Avro Lancaster of No. 576 Squadron RAF on the night 6–7 May 1944. The German Luftwaffe had responsibility for Allied aircrew taken prisoner in North West Europe and it is on record in numerous biographies that the