Col. Charles S. Yeager, Commandant of the USAF Aerospace Research Pilot School at the Air Force Flight Test Center, Edwards AFB, Calif., poses with a model of the North American X-15 high speed, high-altitude research aircraft. He holds a photograph of the Bell X-1 aircraft in which he became the first man to fly faster than the speed of sound on Oct. 14, 1947.
Unknown author<span style="display: none;">Unknown author</span>
1959
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