READ: Chuck Yeager's Notes From Supersonic Flight October 14, 1947

EDWARDS AIR FORCE BASE - On October 14, 1947, Captain Charles Yeager became the first man to break the sound barrier during powered level flight while flying the experimental Bell XS-1 aircraft.

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Shown here are his notes from the ninth powered flight in the XS-1 at Muroc (later renamed Edwards) Airfield in California.

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