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Lockheed SR-72
Lockheed SR-72 was developed in the late 1990s as a successor to the legendary SR-71 Blackbird. The aircraft was designed to be even faster and more capable than its predecessor, with the ability to fly at speeds of up to Mach 6. The SR-72 was built using advanced materials and technologies, including a new type of heat-resistant composite skin that allowed it to withstand the extreme temperatures generated by hypersonic flight.