Air Force Photos

On December 10, 1954, Col. John P. Stapp propelled down the Holloman High Speed Test Track aboard the Sonic Wind Rocket Sled 1 at a rate of 632 miles per hour, earning the title "The Fastest Man on Earth." Stapp’s experiment was the last human test at the HHSTT. His findings proved a pilot flying at 35,000 feet, going twice the speed of sound, could withstand the wind blast if he or she had to eject. (Courtesy Photo)

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Photo by: Courtesy photo |  VIRIN: 141208-F-CP123-003.JPG