The North American XB-70 Valkyrie embodied a once-dominant creed: outrun defenses at Mach 3 and 70,000 feet. -The prototype ...

Tragedy struck on June 8, 1966, when the second XB-70 prototype was destroyed in a crash after a midair collision with its F-104N chase plane. Two people were killed and one was severely injured ...

Five years before Concorde’s first flight, another majestic supersonic aircraft took to the skies — and almost became the inspiration for an even faster passenger plane. It was the XB-70 Valkyrie, an ...

During the Cold War era from the late 1940s to the early 1990s, the skies above Southern California’s Mojave Desert served as a testbed for the newest, biggest, fastest and deadliest military aircraft ...

The 1950s was a unique period for U.S. strategic defense. It was, of course, a post-nuclear world, one in which nuclear weapons had proliferated on multiple continents. But it was also a time that ...

The XB-70 Valkyrie was a marvel of American aerospace ambition—built to cruise at three times the speed of sound and challenge the limits of aviation. But from the start, its high-speed promise came ...

A Total Failure: The XB-70 Valkyrie was an experimental U.S. nuclear bomber developed in the 1950s and 1960s as a potential replacement for the B-52. Designed to fly at Mach 3 speeds and altitudes of ...

It took just three seconds last June for the U.S. to lose two ace test pilots and more than $700 million worth of aircraft when the Air Force’s XB-70 Valkyrie, a supersonic flying laboratory, collided ...