Key Points - The official retirement of the SR-71 Blackbird in 1990 was driven more by internal US Air Force politics and budget priorities than by high operational costs or obsolescence, according to ...
Key Points - The A-12 Oxcart, developed by Lockheed's Skunk Works for the CIA in the early 1960s, was the single-seat, Mach 3.29 (at 90,000 feet) precursor to the USAF's more famous SR-71 Blackbird.
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