Boom Supersonic built a supersonic plane for a fraction of the cost of NASA's X-59. Now all that's left to do is build it ...
"This image makes the invisible visible — the first American made civil supersonic jet breaking the sound barrier." ...
Boom Supersonic, a commercial aviation company behind the sonic boom-less XB-1, posted an image showing its experimental plane breaking the sound barrier. Captured during a successful test flight ...