Flying at 70,000 feet above the world at three times the speed of sound floats the future of combat - so much so that the US ...

At the height of the Cold War, the United States came up with the ultimate strategic bomber. This was the North American XB-70 Valkyrie. The XB-70 was a Mach 3 prototype that would have led to the ...

It was capable of flight at speeds of three times the speed of sound (roughly 2,000 miles per hour) at altitudes of 70,000 feet. The interesting image in this post is a close-up photo of an XB-70A ...

The futuristic XB-70A was originally conceived in the 1950s as a high-altitude, nuclear strike bomber that could fly at Mach 3 (three times the speed of sound) – any potential enemy would have been ...

It was the "largest and fastest bomber" that the US ever built, according to The National Interest. The XB-70 Valkyrie could cruise at Mach 3, riding its own shock wave to do so, and could hit ...

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 ...

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 ...