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 ...

XB-70 It Flew Fast But Could Not Run Advances in Anti-Aircraft Systems: Even as the Boeing B-52 Stratofortress entered service in the mid-1950s – replacing the Curtis B-36 Peacekeeper – the United ...

-Engineered to "ride" its own shockwave for fuel efficiency, the massive bomber was a technological masterpiece. However, its development coincided with the dawn of the "missile age." -The rise of ...

Summary: The XB-70 was designed to be larger and faster than the B-52. It was 196 feet long, 31 feet tall at the tail, with a 105-foot wingspan, and powered by six turbojet engines. -It could reach ...

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 ...

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 ...

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 ...