October 14, 1947 - U.S. Air Force Flag
October 12, 1944 — Chuck Yeager became the first pilot in his group to make “ace in a day,” shooting down five enemy aircraft in a single mission. Read his Combat Report
October 14, 1947 — As the first human to break the sound barrier, on October 14, 1947, Chuck Yeager flew the experimental Bell X-1 at Mach 1 at an altitude of 45,000 ft (13,700 m).
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