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From:
Interesting Engineering
(Uncensored)
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'Son of Blackbird': Secret US hypersonic jet to allegedly debut in 2025
https://interestingengineering.com/military/secret-us-hypersonic-jet-2025
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Widely reported as the fastest plane ever developed, Lockheed Martin's SR-72 "Son of Blackbird" will test the claim sometime in 2025.
