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In 2013, Lockheed Martin announced development of the successor to the SR-71 Blackbird spy plane. The SR-71 was capable of reaching speeds over three times the speed of sound, and the SR-72 is ...
National Security Journal on MSN6d
The SR-72 Darkstar Is Part Bomber, Part Mach 6 Spy PlaneThe SR-72 Darkstar, also known as the “Son of Blackbird,” is Lockheed Martin’s next-generation hypersonic aircraft designed ...
In 2013, Lockheed Martin announced development of the the successor to the SR-71 Blackbird spy plane. The SR-71 was capable of reaching speeds over three times the speed of sound, and the SR-72 is ...
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