When the experimental XB-1 aircraft achieved supersonic speeds on a test flight, it did not create a disruptive sonic boom – ...

Boom hopes its breakthrough will allow supersonic flights over land, making US coast-to-coast flights 90 minutes faster.

"During its historic first supersonic flight on January 28, 2025, Boom’s demonstrator aircraft, XB-1, broke the sound barrier three times without generating a sonic boom that reached the ground ...