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The North American XB-70 Valkyrie, a Cold War-era bomber, was a technological marvel designed to fly at Mach 3 and at 70,000 feet, circumventing...
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The North American XB-70 Valkyrie, a Cold War-era bomber, was a technological marvel designed to fly at Mach 3 and at 70,000 feet, circumventing...
Key Points: The XB-70 Valkyrie, a Mach 3-capable bomber developed during the Cold War, was designed to outpace Soviet air defenses. Powered by six...