Needs More Power - XB-70 bomber engines

As seen at the USAF Museum in Dayton, Ohio

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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. Designed in the late 1950s by North American Aviation (NAA), the six-engined Valkyrie was capable of cruising for thousands of miles at Mach 3+ while flying at 70,000 feet (21,000 m).

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Val means "slain" in Norse. "Valkyrie" means "chooser of the slain". They were kind of like angels who looked like maidens and chose which Vikings would die in battle. Valhalla means "hall of the slain" and was the Norse version of heaven.