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
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 operation involved launching three low-yield nuclear devices between 100 and 500 kilometres into space. The…
