Air Force pilot Capt. Chuck Yeager broke the sound barrier for the first time in 1947, flying a rocket-propelled experimental aircraft in the same location.

Two weeks ago, Boom Supersonic’s XB-1 demonstrator plane made history when it broke the sound barrier over the continental United States, reaching 750 miles per hour (Mach 1.12) near Barstow, ...

A newly released image shows the sound barrier being broken on February 10 as Boom Supersonic’s XB-1, America’s first civil supersonic jet, completed its second supersonic flight.

The sound barrier was first broken on Oct. 14, 1947, according to the U.S. Air Force. That's when Capt. Chuck Yeager and the Bell X-1 rocket-propelled aircraft broke the sound barrier.

Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Why It Matters Before Tuesday, no civil private manufacturer had passed the sound ...

Boom Supersonic's XB-1 has successfully broken the sound barrier, becoming the first supersonic civil aircraft in U.S. history. Today (Jan. 28), the XB-1 took off from Mojave Air and Space Port in ...