US Air Force FASTEST STRATEGIC AIRCRAFT Ever The XB-70 Valkyrie

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A great idea for the us air force the XB 70 Valkyrie would have served the us air force very well. The North American Aviation XB-70 Valkyrie was the prototype of the B-70 nuclear-armed, deep-penetration strategic bomber for the Strategic Air Command of the U.S. Air Force.

images/text credit: ArmedForcesUpdate

In the 1950s, the North American Aviation company designed the Valkyrie bomber as a large, six-engine aircraft capable of reaching Mach 3+ while flying at 70,000 feet (21,000 m), which velocity and altitude capabilities would allow the evasion of interceptor aircraft, then the only effective weapon against bomber aircraft.

In 1961, improved, high-altitude surface-to-air missiles (SAMs), the U.S. Air Force’s doctrinal change to low-level penetration bombing, the large development costs of the B-70 program, and the introduction of intercontinental ballistic missiles (ICBMs) to the U.S. nuclear arsenal, led to the cancellation of the B-70 program.

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As such, two prototype aircraft were built, and designated XB-70A; these aircraft were used for supersonic test-flights during 1964–69. In 1966, one prototype crashed after colliding in midair with a smaller jet aircraft; the remaining Valkyrie bomber is in the National Museum of the United States Air Force, in Ohio.

The Valkyrie was designed to be a high-altitude Mach 3 bomber with six engines. Harrison Storms shaped the aircraft[68] with a canard surface and a delta wing, which was built largely of stainless steel, sandwiched honeycomb panels, and titanium.

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