“In 1947, we broke the sound barrier. The Tuskegee Airmen broke the color barrier. America’s women broke the gender barrier.” “Some walls are ... in an Oval Office ceremony.

Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Before ...

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

A sleek white aircraft has become the first independently developed jet to break the sound barrier. The XB-1 aircraft ...

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 ...

Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph ...

First Independently Developed Jet Breaks the Sound Barrier Over the California Desert A sleek white aircraft became the first independently developed jet to break the sound barrier Tuesday ...

Editor's note: Boom Supersonic successfully broke the sound barrier with the XB-1 today in a major milestone. Read our coverage here. Boom Supersonic plans to break the sound barrier during a test ...

American aerospace startup Boom made history on Tuesday by breaking the sound barrier during the test flight of its Boom Supersonic XB-1 demonstrator jet. The XB-1's flight, livestreamed from the ...

U.S. startup Boom Supersonic sent its XB-1 jet through the sound barrier on Tuesday. It says the test flight over the Mojave Desert marked the first time any privately funded plane has hit the ...

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