The SR-71, the most advanced member of the Blackbird family that included the A-12 and YF-12, was designed by a team of Lockheed personnel led by Clarence “Kelly” Johnson, then vice president of ...
Here’s What You Need To Remember: In 1990, the SR-71 was retired for the first time. Although turbulent events during the 1990s helped to bring it out of retirement for a short period of time, the ...
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