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,
37th Flying Training Wing (World War II) 37th Flying Training Wing (World War II) The 37th Flying Training Wing is an inactive United States Army Air Forces unit. It was last assigned to the Western Flying Training Command, and was disbanded on 16 June 1946 at Luke Field, Arizona. There is no lineage between the United States Air Force 37th Training Wing, established on 22 December 1939 as the 37th Pursuit Group (Interceptor) at Albrook Army Airfield, Panama Canal Zone, and this organization. The wing directed Training Command Flight Schools in Arizona. Most the assigned schools provided phase II basic and phase II advanced flying training for