Cold War Jets - A12 60-6940 (in its later guise as M21 mothership) with D21 drone. Museum of Flight, Seattle USA. | Facebook
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![Caption says "A12 with a D21 drone, Groom Lake 1964". Never saw anything like this before. : r/aviation Caption says "A12 with a D21 drone, Groom Lake 1964". Never saw anything like this before. : r/aviation](https://external-preview.redd.it/VvYx7h7TTttEqZ1VQpch3sxfPqo1IkUoKdk3VEIvubk.jpg?auto=webp&s=3cab00c48683488875ff08d1837461037876daf3)
Caption says "A12 with a D21 drone, Groom Lake 1964". Never saw anything like this before. : r/aviation
![The Time I Found a Formerly Top Secret D-21 Supersonic Drone in the Arizona Desert - The Aviationist The Time I Found a Formerly Top Secret D-21 Supersonic Drone in the Arizona Desert - The Aviationist](https://theaviationist.com/wp-content/uploads/2018/06/D21_20.jpg)
The Time I Found a Formerly Top Secret D-21 Supersonic Drone in the Arizona Desert - The Aviationist
![The Lockheed M-21 Blackbird carried an intelligence gathering drone, displayed at the Museum of Flight, Boeing Field, Washington Stock Photo - Alamy The Lockheed M-21 Blackbird carried an intelligence gathering drone, displayed at the Museum of Flight, Boeing Field, Washington Stock Photo - Alamy](https://c8.alamy.com/comp/P57TWW/the-lockheed-m-21-blackbird-carried-an-intelligence-gathering-drone-displayed-at-the-museum-of-flight-boeing-field-washington-P57TWW.jpg)
The Lockheed M-21 Blackbird carried an intelligence gathering drone, displayed at the Museum of Flight, Boeing Field, Washington Stock Photo - Alamy
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