National Security Journal on MSN
Mach 6 SR-72 Darkstar Could Soon Be the ‘Fastest Plane on Earth’
SR-72 Could Soon Replace SR-71 As Fastest Plane Ever? Yes, the SR-71 Blackbird officially remains the fastest acknowledged ...
Aviation Republic on MSN
90,000 Feet and Mach 3: How America’s Need for a Spy Plane Created the Blackbird
When the U-2 spy plane became vulnerable to Soviet missiles, President Eisenhower demanded a faster, higher-flying successor.
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