supersonic, Concorde and Boom XB-1

The single-seat jet, a 201-foot-long test model by Boom Supersonic, hit 844 mph just 12 minutes into its latest test flight ...
Boom Supersonic's XB-1 jet just broke the sound barrier. Achieving Mach 1.112 is a milestone for the aerospace brand, which ...
Boom Supersonic’s XB-1 aircraft broke the sound barrier during three test runs, a step toward the possible return of ...
Boom's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier ...
Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...
An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The ...
About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first ...