SR-71 Blackbird | The Most Iconic and Incredible Aircraft in History

The Lockheed SR-71 "Blackbird" , is a long-range, Mach 3+ strategic reconnaissance aircraft that was operated by the United States Air Force. The SR-71's existence was revealed to the public in July 1964; it entered service in the United States Air Force (USAF) in January 1966.

The SR-71 was powered by two Pratt & Whitney J58 (company designation JT11D-20) axial-flow turbo-jet engines. The J58 was a considerable innovation of the era, capable of producing a static thrust of 32,500 lbf.In 1989, the USAF retired the SR-71, largely for political reasons; several were briefly reactivated during the 1990s before their second retirement in 1998. NASA was the final operator of the Blackbird, using it as a research platform; it was retired again in 1999.

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