A Bell YP-39 Airacobra flown by NACA from 1941 to 1944. (NASA/Langley Research Center Photograph.)
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A North American XP-51 Mustang photographed shortly after arrival at Langley. (NASA/Langley Research Center Photograph.)
The sole Curtiss XP-42 prototype — modified from a Curtiss P-36A Hawk — photographed while being used for stabilator tests at Langley Field. (NASA Photograph.)
A Curtiss CW-24B is tested in the 30×60 wind tunnel at Langley Aeronautical Laboratory in Hampton, Virginia in 1942. (NASA Langley Research Center Photograph.)
The famous B-17 “Memphis Belle” visits NACA in 1943 after her return to the United States. (NASA Photograph.)
A Martin RA-30 Baltimore light bomber used by NACA from June 1943 until March 1944 at Langley. (NASA Photograph.)
The P-40 Warhawk “Red Ball” on display at NACA during World War II. (NASA Photograph.)
Curtiss XF7C-1 Seahawk (NASA Photograph.)
A full-scale model of the Vought SB2U-1 Vindicator is used in drag reduction research in Langley’s 30 x 60 Full Scale Tunnel in September 1937. (NASA Photograph.)
A Boeing B-29 Superfortress used by NACA for engine cooling research in June 1944. (NASA Photograph.)