Boom’s Supersonic Flight Went Unheard
Boom Supersonic’s XB-1 test aircraft made a splash with its first supersonic flight two weeks ago, but it didn’t make a boom and that, after all, was the point. The startup’s XB-1 prototype exceeded Mach 1 three times on the Jan.28 flight but those in the flight path wouldn’t have been able to tell. “Specialized […]