In a thread on X, Scholl said, "It's actually well-known ... the company noted in its press release. The company's XB-1 aircraft is conducting its second supersonic test flight today.

When the experimental XB-1 aircraft broke the sound barrier three times during its first supersonic flight on 28 January, it did not produce a sonic boom audible from the ground, according to US ...

Manufacturer tells FLYING it signed a pair of agreements that could net up to $180 million from investor Kingdom Aero.