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Morning Overview on MSN
The XB-70 Valkyrie: Cold War’s supersonic titan
The North American XB-70 Valkyrie, often dubbed as a supersonic Cold War beast, emerged as a symbol of American aviation ...
National Security Journal on MSN
The U.S. Air Force’s Big XB-70 Valkyrie Mach 3 Bomber Mistake Still Stings
The XB-70 Valkyrie was the U.S. Air Force’s bid to outrun Soviet defenses: a six-engine, compression-lift bomber built for sustained Mach 3 at extreme altitude. –National Security Journal recently ...
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