The Curtiss XP-40 Warhawk fighter undergoes drag-reduction testing in the full-scale wind tunnel at Langley Research Center in 1939. (NASA Photograph.)

Curtiss XP-40 Warhawk

July 22, 2016

by Lone_Sentry_Admin

1 min read

The Curtiss XP-40 Warhawk fighter undergoes drag-reduction testing in the full-scale wind tunnel at Langley Research Center in 1939. (NASA Photograph.)

The Curtiss XP-40 Warhawk fighter undergoes drag-reduction testing in the full-scale wind tunnel at Langley Research Center in 1939. (NASA Photograph.) — Curtiss XP-40 Warhawk (NASA Photograph.)

A Luftwaffe FW 190 fighter shot down by 9th Air Force Mustangs over the American sector in Normandy in July 1944. (U.S. Air Force Photograph.)

Crashed FW 190 in Normandy

Boeing B-17G Flying Fortress of the 92nd Bomb Group at RAF Podington. (U.S. Air Force Photograph.)

B-17G of 92nd BG

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