About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first ...

The XB-1 prototype accelerated smoothly to reach as fast as Mach 1.11 at about 35,000 feet at 11:33 a.m., 11:38 a.m. and 11:45 a.m. Mach 1 is equal to the ...

Boom said it completed construction on its Overture Superfactory ... United Airlines and Japan Airlines. The sound barrier was first broken on Oct. 14, 1947, according to the U.S. Air Force.

A fast-growing aerospace startup lives up to its name and surpasses a lofty milestone in its quest to develop supersonic ...

Boom Supersonic has gone, well, supersonic, its XB-1 prototype breaking the sound barrier today in the skies over the Mojave Air & Space Port in California. With Chief Test Pilot Tristan Brandenburg ...

An aircraft developed by Boom Supersonic became the first independently funded U.S. jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during ...

Legendary pilot Chuck Yeager was the first human to exceed the sound barrier, back in 1947 ... The firm has completed construction on a factory for the new plane in Greensboro, North Carolina.