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National Security Journal on MSN3d
SR-72 ‘Darkstar’: 5 Things You Need to Know About This Mach 6 Hypersonic JetThe SR-72 is one of the most secretive projects currently in development. Often called the “Darkstar” based on its portrayal ...
Interesting Engineering on MSN3d
‘Son of Blackbird’: US secret hypersonic jet may unleash 4,000 mph speed in 2025The US secretive hypersonic jet SR-72, also known as ‘Son of Blackbird,’ will reportedly debut in 2025. According to various ...
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