Written with all of the fierce intelligence and passion for truth that millions have come to expect from Amy Goodman’s reportage, Breaking the Sound Barrier is, in Arianna Huffington’s words ...
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 broke the sound barrier for the first time over the Mojave Desert in California. During the test flight, it reached an altitude of 35,000ft before accelerating to Mach 1.1 (844mph ...
Boom’s XB-1 jet breaks sound barrier on first supersonic flight - Boom’s inaugural XB-1 supersonic test flight reached speeds of more than 850 miles per hour ...