The North American XB-70 Valkyrie was a “technical marvel” of the 1950s—a Mach 3, 70,000-foot nuclear bomber designed to ...

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

The only remaining XB-70 Valkyrie superbomber is on display at the National Museum of the U.S. Air Force in Dayton, Ohio. The Cold War-era prototype variant of the planned B-70 nuclear-armed strategic ...

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 ...

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 ...

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 Second World War and the global rivalries that followed were events that fueled weapons development like nothing before. In the span of just a few short years, humanity stepped into the jet age, ...

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 ...

From the first of the 95 flights made by the Air Force’s two XB-70 Valkyrie bombers since 1964, the mighty, 2,000-m.p.h. experimental craft has been gremlin plagued. On Valkyrie 1’s maiden flight, a ...