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.
Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde ...
An artist's impression of Boom Supersonic's Overture aircraft. Source: Boom Supersonic The company has now completed 11 test flights, and it is incrementally working toward supersonic speed.
An curved arrow pointing right. NASA's X-planes were some of ... with one of the goals being a supersonic plane that doesn't give off extremely loud sonic booms. Produced by Matt Stuart Follow ...