Lockheed SR-71 Blackbird Documentary | Full Video

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  • เผยแพร่เมื่อ 23 ก.ค. 2013
  • A full, uninterrupted documentary of the legendary SR-71 designed by Lockheed as a black project reconnaissance aircraft to operate at high speeds and altitudes to outrace threats. Clarence "Kelly" Johnson was responsible for many of the aircraft's innovative concepts.

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