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The North American Aviation XB-70 Valkyrie is a retired prototype version of the planned B-70 nuclear-armed, deep-penetration supersonic strategic bomber for the United States Air Force Strategic Air Command.
Conceived in the 1950s as an intercontinental strategic nuclear bomber, the futuristic Valkyrie instead became a unique test aircraft in the 1960s. Higher and Faster: B-70 Bomber Concept.
The XB-70 Valkyrie, with a planned cruise speed of Mach 3 and operating altitude of 70,000 feet, was to be the ultimate high-altitude, high-speed manned strategic bomber. Events, however, would cause it to play a far different role in the history of aviation.
The Air Force’s XB-70 Valkyrie bomber was the fastest bomber ever developed. The aircraft ran into development difficulties, powerful Soviet air defenses and sky-high costs, eventually...
XB-70 Valkyrie, Explained. The Cold War was a romantic time for aerospace design. Nations were experimenting widely, investing heavily in novel ideas, pushing the boundaries of what was possible ...
Dive deep into the thrilling history of aviation as we explore the groundbreaking development of the XB-70 Valkyrie, the United States' response to the Cold ...
Learn all about the history and development of the North American XB-70 Valkyrie, the Mach 3 beauty that led a star-crossed life.
It was the XB-70 Valkyrie, an experimental plane developed for the US Air Force. Its inaugural flight — 60 years ago in September 1964 — kicked off a golden era for supersonic...
The North American XB-70 Valkyrie was a long-range bomber that could reach deep into Soviet airspace, but it was compromised by a declining defense budget and improved surface-to-air missiles.
XB-70 Valkyrie. Moments before the F-104 and XB-70 collided, the ill-fated formation flight centered on the XB-70, flanked by a T-38A, F-4B,... This side view shows the #1 XB-70A (62-0001) during take-off rotation. The XB-70A is shown parked on a ramp at Edwards Air Force Base in 1967.