(Reuters) - About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first privately funded airplane to break the sound barrier during a ...

American aircraft company Boom Supersonic proved their name by successfully flying their civilian jet, the XB-1, faster than the speed of sound over the Mojave Desert Tuesday. The test flight out of ...

A civilian jet broke the sound barrier three times during a test flight in California’s Mojave Desert on Tuesday, the first time a privately developed and built aircraft has accomplished such a feat.

A sleek white aircraft became the first independently developed jet to break the sound barrier Tuesday, tearing through the air tens of thousands of feet above the Mojave Desert and a crowd of ...

A civilian jet broke the sound barrier for the first time Tuesday while making a historic test flight over the Mojave Desert. The XB-1 aircraft, manufactured by Boom Supersonic, was piloted by Tristan ...