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Scott Crossfield after the first mach 2 flight, USA, November 20, 1953. Naval officer and test pilot Scott Crossfield piloted the Douglas D-558-2 Skyrocket to Mach 2, or more than 1,290 mph (2076 km/h), the first time an aircraft had exceeded twice the speed of sound. Scott Crossfield Mach 2 flight. Creator: Unknown. (KEYSTONE/HERITAGE IMAGES/HERITAGE SPACE)