REVEALED: Fastest EVER U.S. Spy Plane SR-71 Blackbird Could Turn HYPERSONIC
The Lockheed SR-71 “Blackbird” is a long-range, Mach 3+ strategic reconnaissance aircraft that was operated by the United States Air Force.
Defence and security technology company Lockheed Martin has been developing a successor to the Cold War era plane for years.
Lockheed officials have suggested the hypersonic SR-72 spy plane, also known as the ‘Son of Blackbird’, could be operational by 2030.
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