Boom's XB-1 demonstrator took its maiden flight in March of 2024. In October of 2024, the XB-1 was teasing supersonic speeds.

Boom Supersonic's XB-1 demonstrator vehicle conducts its 13th and final test flight on Feb. 10, 2025. The jet broke the sound barrier three times during the flight.

“XB-1 broke the sound barrier three times during its first supersonic flight – without an audible boom,” Blake Scholl, Founder and CEO of Boom Supersonic, said in a statement.

NASA and Boom Supersonic released an incredible photo capturing the shock waves of the supersonic XB-1 aircraft while it traveled in front of the sun during a Feb. 10 test flight.

The XB-1's 13th test flight was also its last. Credit: Boom Supersonic Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday.

When the experimental XB-1 aircraft achieved supersonic speeds on a test flight, it did not create a disruptive sonic boom – thanks to a physics phenomenon called the Mach cutoff ...

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During the flight on 28 January, the team placed microphones along the plane's flight path at ground level. Despite traveling at a top speed of Mach 1.12, no associated boom was picked up. “XB-1 ...

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 ...