A Plane Just Achieved Supersonic Flight Without the Sonic Boom
But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the ...
Flying1mon
This Company Is Taking the ‘Boom’ Out of Supersonic Flight
That’s because during the Baby Boom’s 12th test flight last month, the demonstrator created a sonic boom that could not be heard on the ground. It achieved the feat again during the aircraft ...