![](http://www.alamy.com/thumbs/6/4896339B-B33D-449A-B6ED-D3131B6D690F/C2N254.jpg)
Lockheed XC-35, The Lockheed XC-35 was a twin-engine, experimental pressurized airplane.
Lockheed XC-35: In what has been an unheralded program, NACA pilot Herbert H. Hoover intentionally flew the pressurized Lockheed XC-35 into thunderstorms to gather data on the effects of severe weather on aircraft. These flights were following years later by Langley studies conducted with a Convair F-106 and a Learjet.
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Photo credit: © NASA Archive / Alamy / Afripics
License: Licensed
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Keywords: &, aeroplane, aircraft, airforce, airplane, archive, aviation, black, historic, historical, history, lockheed, monochrome, naca, nasa, plane, states, transport, transportation, united, usaf, vintage, white, xc-35