Not every experimental jet fighter made by the U.S. military would go on to reach production, for any number of reasons.

Being a test pilot isn’t always the healthiest business in the world. [In the 1950s, test pilots were being killed at the ...

Boom Supersonic's XB-1 aircraft broke the sound barrier during a test flight in California ... place in the same historic airspace where Chuck Yeager broke the sound barrier for the first time ...

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...

The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a test flight in the ... California where Charles "Chuck" Yeager, a World War II ace fighter pilot who became a military ...

About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first ...

"She was real happy supersonic," Boom Chief Test Pilot Tristan "Geppetto" Brandenburg ... faster than the speed at which sound travels. In 1947, Chuck Yeager became the first human to break ...

The XB-1, which has now completed 12 successful test flights since it first took ... in the same historic airspace where legendary pilot Chuck Yeager broke the sound barrier for the first time ...

"Chuck" Yeager became the first human to break the sound barrier, using the Bell X-1 "Glamorous Glennis" rocket plane. The XB-1, flown by Boom's chief test pilot, Tristan "Geppetto" Brandenburg ...

A civilian jet broke the sound barrier for the first time Tuesday while making a historic test flight over the ... when Air Force pilot Capt. Chuck Yeager flew a rocket-propelled experimental ...

Former Naval test pilot Tristan "Geppetto" Brandenburg ... of airspace called the "Bell X-1 Supersonic Corridor" after pilot Chuck Yeager's historic 1947 supersonic flight.