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See This Stealthy Looking Drone? It Was America's Plan to Spy on China's Nuclear Weapons Program

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By CIA - https://www.cia.gov/library/center-for-the-study-of-intelligence/csi-publications/books-and-monographs/a-12/images-and-thumbnails/ch8_2.jpg/image.jpg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=9928913

Why America Spied on Cold War China With a Mach 3 D-21 Drone

By CIA - https://www.cia.gov/library/center-for-the-study-of-intelligence/csi-publications/books-and-monographs/a-12/images-and-thumbnails/ch8_2.jpg/image.jpg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=9928913

The Mach 3 D-21 Drone Was a Secret America Cold War Spy Machine

By U.S. Air Force - nationalmuseum.af.mil, Public Domain, https://commons.wikimedia.org/w/index.php?curid=68165815

The Top Secret History of the D-21 Mach 3 Spy Drone Revealed

America Was Terrified of China's Nuclear Weapons. This Mach 3 Drone Spied on Them.

D-21: This Crazy Looking Mach 3 Drone Tried to Spy on China's Nuclear Bomb Tests

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Stories From D-21

By U.S. Air Force - nationalmuseum.af.mil, Public Domain, https://commons.wikimedia.org/w/index.php?curid=68165815

The Top Secret History of the D-21 Mach 3 Spy Drone Revealed

America Was Terrified of China's Nuclear Weapons. This Mach 3 Drone Spied on Them.

D-21: This Crazy Looking Mach 3 Drone Tried to Spy on China's Nuclear Bomb Tests

Check Out the D-21: A Mach 3 Drone the U.S. Used to Spy on China's Nuclear Weapons

What a Secret: The U.S. Used Super Fast Mach 3 Drones to Spy on China's Nuclear Weapons

D-21: The Mach-3 Plane That Spied on China's Nuclear Bomb Tests