Secret ‘Son of Blackbird’ SR-72 Spy Plane Re-Emerges

Able to fly at three times the speed of sound, the SR-71 spied on Vietnam, North Korea, and the USSR. Now Lockheed Martin hopes its successor will fight the spy wars of tomorrow.

David Axe

Published Sep. 29 2017 12:00AM EDT 

David Axe

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david.t.axe@gmail.com

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