Flying Fortress (film) one of the few British studios to operate during the Second World War, produced "Flying Fortress" as part of a series of patriotic films aiding the war effort. Warner received co-operation from the Air Ministry, with facilities at RAF Polebrook being provided, along with a Supermarine Spitfire, Bristol Blenheim, and three early Boeing B-17Cs (Fortess Is in RAF service) from No. 90 Squadron RAF, released for use in the production. A number of shooting miniatures were also created, including scale Fortress Is. The burning engine fire depicted at the conclusion of the film is based on an actual World War
Technology during World War II fighter planes. American bomber planes such as the B-17 Flying Fortress had been built before the war as the only adequate long-range bombers in the world, designed to patrol the long American coastlines. Defended by as many as six machine-gun turrets providing 360° cover, the B-17s were still vulnerable without fighter protection even when used in large formations. Despite the abilities of Allied bombers, though, Germany was not quickly crippled by Allied air raids. At the start of the war the vast majority of bombs fell miles from their targets, as poor navigation technology ensured that Allied airmen frequently could