Modern Engineering Marvels on MSN
The SR-71 Blackbird’s speed secret: Mach 3.2 on paper, faster in reality
Blackbird SR-71 did not survive through concealing but through escape. Lockheed had constructed the Skunk Works of the SR-71 in the wake of the 1960 U-2 shootdown in the belief that, once spotted, the ...
Modern Engineering Marvels on MSN
Still stuck in the hangar: The Mach 7 SR-72 that won’t show itself
Where is the hypersonic “Son of Blackbird”, where is he supposed to be by now? The SR-72 occupies a strange niche in contemporary aerospace: it is a commonly talked-about, commonly-drawn object, as ...
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