And the plane that would ultimately achieve that goal would be the experimental Bell X-1 jet. The National Advisory Committee for Aeronautics (NACA, later becoming NASA), the newly formed U.S. Air ...

"This image makes the invisible visible — the first American made civil supersonic jet breaking the sound barrier." ...

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier ... Krauland during the company's livestream on X. "This jet really does have much of the enabling ...

A civilian jet broke the sound barrier for the first time Tuesday while making a historic test flight over the Mojave Desert. The XB-1 aircraft, manufactured by Boom Supersonic, was piloted by ...

A sleek white aircraft became the first independently developed jet to break the sound barrier Tuesday ... piloting an orange, bullet-shaped Bell X-1 rocket plane.

That's why the shockwaves around the aircraft are visible in the photograph. Boom Supersonic's XB-1 jet, the first civil aircraft to go supersonic over the continental United States. | Credit ...