1958, the US secretly detonated 3 nuclear devices 100–500 km above the South Atlantic; they created artificial auroras and radiation belts that lasted weeks
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August 20, 2026
1958, the US secretly detonated 3 nuclear devices In August and September 1958, the United States military carried out a secret series of high-altitude nuclear tests in the remote upper reaches of the South Atlantic Ocean. Code-named Operation Argus, the…