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
World War II and American animation the word of this new strategic plan involving tactical long-range bombing. Winston Churchill viewed the film and convinced Franklin D. Roosevelt to see it. After Roosevelt watched the film, the United States began committing to long-range bomber airplanes and strategies. World War II and American animation World War II changed the possibilities for animation. Prior to the war, animation was seen as a form of childish entertainment. The attack on Pearl Harbor was a turning point in its utility. On December 8, 1941, the U.S. Army began working with Walt Disney at his studio, stationing Military personnel there for the