What You Need to Know: The North American XB-70 Valkyrie epitomized Cold War aerospace innovation. Designed to replace the B-52, the Valkyrie boasted speeds exceeding Mach 3 and an altitude ceiling of ...
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XB-70 Valkyrie: Mach 3 Nuclear Bomber
As part of a plan to build a strategic bomber for deep penetration and nuclear bombing runs during the Cold War, North ...
The Valkyrie, a highly autonomous aerial combat vehicle, makes it first successful test flight with the Marine Corps. (Marine Corps) The Marine Corps completed its first test flight Tuesday of a ...
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