What did Chuck Yeager do?

Chuck Yeager, a US Air Force fighter pilot, was a fighter ace in World War II.

After World War II, he became a Test Pilot and became the first person to fly faster than the speed of sound on 14 October 1947 while flying a Bell X-1 experimental aircraft named "Glamorous Glennis"

The flight originated at the Muroc Army Air Field, now Edwards Airforce Base in California, near Los Angeles.