A little over a month after a civilian jet broke the sound barrier, Boom Supersonic and NASA have released a photo of one of ...

Israeli warplanes broke the sound barrier Wednesday above Beirut and parts of Lebanon. "Israeli military aircraft broke the sound barrier over Beirut and several Lebanese regions,” according to ...

He helped design the X-1, which was the first airplane to break the sound barrier. Slick Goodlin was a test pilot for Bell Laboratories and made numerous flights in the X-1 before it was ...