National Security Journal on MSN
SR-72 Darkstar: The US Air Force’s new Mach 6 hypersonic bomber?
SR-72 “Darkstar”: The Mach 6 Successor to the SR-71 That Could Also Strike Summary and Key Points: The SR-71 remains the ...
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Mach 6 SR-72 Darkstar Summed Up In 1 Word
Key Points and Summary - The SR-72 "Darkstar," the hypersonic successor to the legendary SR-71 Blackbird, is being developed to revolutionize aerial warfare with its projected Mach 6 speed. -The ...
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