Boom Supersonic sans Sonic boom

The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave ...
It’s the first step in Boom’s ambitious goal to have supersonic airliners carry passengers by 2029. The Mach number is ...
Boom Supersonic, a company working to develop passenger aircraft capable of traveling faster than the speed of sound, announced that its planes will be able to fly at supersonic speeds without ...