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Boom Supersonic broke the sound barrier in late January with its XB-1 test jet, paving the way forward in the startup's efforts to build its own supersonic airliner.

NASA/Boom Supersonic NASA has captured an image of a supersonic civilian jet breaking the sound barrier during a test flight over the Mojave Desert in California in February.

Boom Supersonic and NASA just dropped an incredible photo of the XB-1 breaking the sound barrier over the Mojave Desert. Using Schlieren photography, they captured air distortions that are usually ...

A "son of Concorde" aircraft that may one day fly from New York to London in 1.5 hours has reached supersonic speeds. An incredible image shows Boom Supersonic's XB-1 jet breaking the sound barrier.

“XB-1 broke the sound barrier three times during its first supersonic flight – without an audible boom,” Blake Scholl, Founder and CEO of Boom Supersonic, said in a statement.