The Lockheed D 21 Mach 3 Drone

Subscribe to Dark Skies: In the 1960s, Lockheed engineer Kelly Johnson was given an almost impossible task by the U. S. Air Force and CIA. He needed to create a spy drone with range, speed, and altitude capabilities that could match the supersonic A12. The hope was that Lockheeds Skunk Works team could build an unmanned reconnaissance aircraft unlike any other in order to replace the increasingly vulnerable U2 spy plane. The result was the D21. It was a ramjet with wings and a c