over 4 years
ago -
warthunder
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In August 1943, 77 years ago, the F4U-1C Corsair made its first flight. The 1C, a converted 1A, was fitted with 4 x 20 mm guns. Seeing combat in Okinawa, these guns were more powerful, but only 200 were converted because the .50 calibre gun configuration was deemed more stable. http://pbs.twimg.com/media/EfiYU-_X0AEGaS9.jpg