American company Boom achieved a milestone Tuesday as its XB-1 aircraft exceeded the speed of sound for the first time during a supersonic test flight. The last flight of a supersonic airliner, ...
The return of supersonic travel has been remarkably slow for something faster than the speed of sound, but a major milestone was achieved on January 28 ...
A Denver-based supersonic jet company became part of history when it became the company behind the first civically manufactured jet in the United States to hit supersonic speeds.