Experimental jet achieves supersonic flight, minus the boom
Boom Supersonic passed a major milestone last month when its XB-1 prototype became the first civil aircraft to break the ...
Flying1d
This Company Is Taking the ‘Boom’ Out of Supersonic Flight
Boom Supersonic’s XB-1 creates a sonic boom inaudible from the ground below when flying at the exact right speed and altitude ...
Yahoo News18d
Denver based company becomes part of history, first civil engineered jet hits supersonic speed
DENVER (KDVR) — A Denver-based supersonic jet company became part of history when it became the company behind the first civil manufactured jet in the United States to hit supersonic speeds. Boom ...