Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed supersonic jet. The company is also working on a supersonic passenger airliner.

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave.

A supersonic jet built by US company Boom has broken the sound barrier for the first time since the Concorde during a test flight.

A Carnegie Mellon University grad is behind the successful flight earlier this week of the first independently developed jet to break the sound barrier.

Boom Supersonic CEO Blake Scholl said the Mach 1.7 Overture will keep the US aviation industry ahead of China in the commercial market.

An aircraft developed by Boom Supersonic has become the first independently funded jet to break the sound barrier.

Former Concorde chief pilot Mike Bannister ... The plane is now decelerating and descending back to the runway in the Mojave Desert after its third surge into supersonic speed, where it hit ...

An American civil aircraft broke the sound barrier for the first time in California’s Mojave Desert, a US aviation company announced on Wednesday.

The test flight took place in the same Mojave Desert area in California where Charles "Chuck" Yeager first broke the sound barrier in 1947.

Two decades after Concorde's retirement, Boom Supersonic's test aircraft has broken the sound barrier for the first time

Will Boom bring boom time back to supersonic travel? 'New Concorde' prompts revival talk - The aircraft developed by Boom Supersonic is the first independently funded jet to break the sound barrier