But what makes this jet so special? Can it uphold the legacy of planes that break the sound barrier?> Whoopi Goldberg signs off 'The View' with rallying cry to resist Trump 'Keep your head' if you ...

Boom Supersonic’s XB-1 demonstrator aircraft broke the sound barrier for its first time ever ... but they haven’t invented a new plane in more than 20 years. At the same time, a quarter ...

The Bell X-1 “Glamorous Glennis,” shown here in flight over the Mojave Desert in October 1947, the same month it broke the sound barrier ... retirement while the plane it was meant to replace ...

Aided by a quartet of Rolls-Royce Olympus 593 engines, the Concorde, the world's only commercially successful supersonic passenger plane ... to the breaking the sound barrier.

Moments later, faster than a .45 calibre bullet. And after 35 seconds, he broke the sound barrier. Narrator:The speed of sound is affected by altitude and temperature. Felix fell at temperatures ...