Aerospace & Defense
Across its whole service life the SR-71 Blackbird accumulated 53,490 flight hours, 11,675 of them above Mach 3, over 17,300 sorties. By the late...
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Across its whole service life the SR-71 Blackbird accumulated 53,490 flight hours, 11,675 of them above Mach 3, over 17,300 sorties. By the late...