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America’s Cold War Supersonic Marvel — The XB-70 Valkyrie

Talyn

Emissary
Founding Member
The North American XB-70 is a high-altitude, Mach 3-capable nuclear bomber that could outrun and outfly any known threat. The aircraft was developed by North American Aviation, the same company behind the P-51 Mustang and the F-86 Sabre. XB-70s were intended to replace the aging B-52 Stratofortress and the B-58 Hustler.

The XB-70 was envisioned as the centerpiece of Strategic Air Command’s future fleet. Its speed and altitude would render it nearly invulnerable to Soviet interceptors and radar-guided missiles. At Mach 3 and 70,000 feet, the aircraft would be able to deliver nuclear payloads deep into enemy territory and escape before retaliation could be organized. This concept was rooted in Cold War deterrence theory, where survivability and speed were paramount.


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On June 8, 1966, AV-2 was involved in a GE promotional flight over the Mojave Desert. During close formation flying, a NASA F-104N Starfighter piloted by Joe Walker collided with the XB-70’s wingtip, likely due to wake turbulence. The impact destroyed both vertical stabilizers, sending the Valkyrie into an uncontrollable spin.

The accident highlighted the dangers of experimental flight and formation flying, and further weakened the program. AV-1 continued limited research flights until its retirement in February 1969. It now resides at the National Museum of the United States Air Force in Dayton, Ohio.

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The X-Plane display at the USAF National Museum in Ohio.

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When at Wright-Patt I often drove over to Area B just to look at it. It is a marvel to see in person.
I went through the museum at Wright-Patterson several years ago and saw the XB-70. It is, as has been said, a remarkable and gorgeous airplane. It reminds me of a Concorde on steroids. It's sad that it had such a limited lifetime
 
Probably my favorite airplane. Two made; one crashed and burned. I saw the surviving plane as it made it's last flight as it flew past my high school on it's way to the Air Force Museum over by Fairborne, Ohio. It had fighter escorts front, back, above and below and was a sight to see. It should remind one of the Concorde as they copied from the Valkyrie.
I may be wrong but the six GE engines that powered it were unique to the XB-70.
 
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