Jon Jackson is a News Editor at Newsweek based in New York. His focus is on reporting on the Ukraine and Russia war. Jon previously worked at The Week, the River Journal, Den of Geek and Maxim. He ...

GREENSBORO, N.C. — Tuesday morning in California's Mojave Desert, the Boom Supersonic XB-1 — the world's first independently developed supersonic jet — broke the sound barrier during a test flight.

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 ...

Boom Supersonic has rolled out the XB-1, a sleek trijet demonstrator built to prove that faster-than-sound flight can return.