almost 4 years
ago -
warthunder
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In 1938, 83 years ago, the Douglas B-18A Bolo made its first flight. The B-18A was mainly involved in anti-Submarine warfare, where it sunk the German submarine U-512 and several others. By the end of the war, the B-18A was used as a transport aircraft. http://pbs.twimg.com/media/E02p-GkXoAAL4Wy.jpg