Research and data obtained during the testing of these and other experimental aircraft would lead to today's B-2 Spirit bomber and beyond. American concerns that Great Britain might fall to Axis ...

When the experimental XB-1 aircraft broke the sound barrier three times during its first supersonic flight on 28 January, it did not produce a sonic boom audible from the ground, according to US ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. MOJAVE, Calif. (WGHP) — Only a few more ...

The experimental XB-1 aircraft, made by US company Boom Supersonic, flew faster than the speed of sound on 28 January. The achievement is the first time any civil aircraft has gone supersonic over the ...

During the XB-1's historic flight on Tuesday—its 12th test flight overall—the aircraft stayed supersonic for around four minutes before breaking the sound barrier two more times during the same outing ...

The XB-1 just became the first civil aircraft to go supersonic over the continental United States. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

On its 12th test flight, the Boom XB-1 prototype broke the sound barrier three times and achieved a top speed of Mach 1.1. On its 12th test flight, the Boom XB-1 prototype broke the sound barrier ...