The company's XB-1 demonstrator jet reached speeds of Mach 1.122 during a test flight ... it's roughly the size of a small fighter jet and has just one seat. It's meant to test various systems ...

Above the skies of the Korean Peninsula, the F-86 Sabre formed one part of an epic aerial rivalry—against the MiG-15, the ...

It was the first all-weather jet fighter deployed by the U.S., capable of traveling at over Mach 1.7 and climbing to altitudes exceeding 50,000 feet. Each F/A-18 Hornet costs $29 million and is ...

Some 11.5 minutes into the flight — the 12th overall for the XB-1 — at an altitude of around 35,000 feet (10,668 meters), the test plane exceeded Mach 1 ... Mirage F1 fighter jet, and a ...