Boom XB-1, NASA and Sound Barrier

A newly released image shows the sound barrier being broken on February 10 as Boom Supersonic’s XB-1, America’s first civil ...
But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the ...
Boom Supersonic test pilot uses precise maneuvering to help NASA snap a photo of the firm’s civil supersonic jet in flight.
A "son of Concorde" aircraft that may one day fly from New York to London in 1.5 hours has reached supersonic speeds. An ...