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Notes from the First Supersonic Flight

PilotÂ’s Notes from the Ninth Powered Flight of the XS-1, 10/14/1947 (detail)
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. Shown here are his notes from the ninth powered flight in the XS-1 at Muroc (later renamed Edwards) Airfield in California.
More Photos and Records on the X-1 in the Catalog…

Today’s Document from the National Archives

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