Boeing B-17 Flying Fortress 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 against Douglas and Martin for a contract to build 200 bombers, the Boeing entry (prototype Model 299/XB-17) outperformed both competitors and exceeded the air corps' performance specifications. Although Boeing lost the contract (to the Douglas B-18 Bolo) because the prototype crashed, the air corps ordered 13 more B-17s for further evaluation. From its introduction in 1938, the B-17 Flying Fortress evolved through numerous design advances, becoming the third-most produced bomber of all time,
RAF Bomber Command aircrew of World War II Both were presumed murdered by Gestapo on recapture after running or participating in successful organizations inside Germany, assisted by forced labourers or anti-Nazi Germans, to assist escaping prisoners of war. Some RAF Bomber Command airmen received awards for their gallantry in specific actions or for their sustained courage facing the terrible odds against their surviving a full tour of operations. Enlisted men could receive a Distinguished Flying Medal or Conspicuous Gallantry Medal (Flying). Commissioned officers and Warrant officers could receive a Distinguished Flying Cross. Commissioned officers, usually the more senior ranks, could receive a Distinguished Service Order which was sometimes