B-17G "Flying Fortress" No. 44-83690 B-17G-90-DL-44-83690 "Flying Fortress" is a heavy bomber manufactured by the Douglas Aircraft Company in Long Beach, California. Douglas was one of two companies in addition to Boeing, designated to manufacture B-17s during World War II. General features of the B-17 include its mid-wing monoplane design, aluminum-clad exterior, four radial engines, massive wing structure, and heavy armament. Greenfield, Kent. American Strategy in World War II: A Reconsideration. Baltimore: Johns Hopkins Press, 1963. B-17G "Flying Fortress" No. 44-83690 B-17G-95-DL "Flying Fortress" No. 44-83690 is a historic B-17 Flying Fortress Heavy bomber located at the Aviation Museum, Grissom Air Force Base in Pipe
American Theater (World War II) other heavy bomber projects were cancelled. During the final months of World War II, Japan had planned to use plague as a biological weapon against U.S. civilians in San Diego, California, during Operation Cherry Blossoms at Night. The plan was set to launch at night on September 22, 1945. However it was shelved after Yoshijiro Umezu, Chief of the Imperial Japanese Army General Staff, rejected it. Additionally Japan surrendered five weeks before the plan had been intended to take place. These false alarms have generally been attributed to military and civilian inexperience with war and poor radars of the era.