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The Lockheed Martin SR-72, colloquially referred to as "Son of Blackbird", [1] is an American hypersonic UAV concept intended for intelligence, surveillance and reconnaissance (ISR) proposed privately in 2013 by Lockheed Martin as a successor to the retired Lockheed SR-71 Blackbird. In 2018, company executives said an SR-72 test vehicle could ...
The Lockheed Martin SR-71 Blackbird is one of the most recognizable aircraft designs in history. Few other planes have captured the public's attention and imagination in quite the same way as the ...
A proposed UAV successor, the SR-72, is under development by Lockheed Martin, and scheduled to fly in 2025. [10] In 1974, a pair of SR-71 flights set the records for highest sustained flight and quickest flight between London and New York.
By the late 1980s, many aerospace industry observers believed that the U.S. had the technological capability to build a Mach 5 (hypersonic speed) replacement for the aging Lockheed SR-71 Blackbird. Detailed examinations of the U.S. defense budget claimed to have found money missing or channeled into black projects. [8]
The Lockheed F-117 Nighthawk is an example of an American black project, with its existence being classified information throughout its design and manufacture, as well as for several years after its service commenced. In the United States, the formal term for a black project is an unacknowledged special access program (SAP).
28 December 1962: Lockheed signs contract to build six SR-71 aircraft. Earlier in the month, on 17 December the 5th A-12 arrived at Groom Lake and the Air Force expressed an interest in obtaining reconnaissance versions of the Blackbird. Lockheed begins weapons systems development for the AF-12. Kelly Johnson obtained approval to design a Mach ...
Lockheed Martin SR-72, a proposed hypersonic airplane under development by Lockheed Martin State Route 72, several highways numbered 72 in the US Topics referred to by the same term
Clarence Leonard "Kelly" Johnson (February 27, 1910 – December 21, 1990) was an American aeronautical and systems engineer.He is recognized for his contributions to a series of important aircraft designs, most notably the Lockheed U-2 and SR-71 Blackbird.