SR-72: The Mach 5 Spy Plane That Could Finally Beat the SR-71 Blackbird
Summary and Key Points: The SR-71 Blackbird, a legendary Cold War-era aircraft known for holding the world’s absolute speed record, may soon have a successor. Lockheed Martin’s SR-72, or “Son of Blackbird,” is designed to exceed the performance of its predecessor, potentially flying at speeds greater than Mach 5.
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