National Security Journal on MSN
Mach 3.55: How Fast Can the SR-71 Blackbird Really Fly?
The SR-71 Blackbird, the world’s fastest air-breathing manned aircraft, held its speed record not because of its airframe’s ...
The National Interest on MSN
Why Did the US Air Force Retire the SR-71 Blackbird?
The SR-71 Blackbird, the fastest aircraft ever built, was ultimately done in by the Air Force’s most notorious and ...
The SR-71 could cruise at speeds exceeding Mach 3 and at altitudes exceeding 80,000 feet—both of which represent performance extremes. At such extremes, the airframe generated heat, which posed ...
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 ...
The SR-71 Blackbird was the world's fastest jet. Capable of of flying as high as 85,000 feet at Mach 3.3 (2,193.2 mph), the Blackbird was used for intelligence, surveillance, and reconnaissance. It ...
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