10 pp
The first D-558-1 Skystreak, bureau number 37970, completed its maiden flight on April 14, 1947, piloted by Eugene F. May. On August 20, 1947, Navy Cmdr. Turner F. CaIdwell set a new world air-speed record of 640.663 mph while flying the D-558-1 #1. Five days later, on August 20,. 1947, Marine Corps Maj. Marion Carl, while flying the second D-558-1, bureau number 37971 (NACA 141), broke CaIdwells
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