The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave ...
Aerospace startup Boom says they've proven quiet supersonic flight is possible with their passenger airplanes after a successful second test flight.
In January, the aircraft successfully broke the sound barrier for the first time, reaching speeds exceeding Mach 1 at an ...
Hot on the heels of its milestone supersonic flight with its demonstrator aircraft, XB-1, Boom Supersonic has another ...