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 devicesIn 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 explosions created artificial auroras that appeared across the night sky and produced temporary radiation belts around the Earth that lasted for weeks.
Unverified
- 1958, the US secretly detonated 3 nuclear devicesIn 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 explosions created artificial auroras that appeared across the night sky and produced temporary radiation belts around the Earth that lasted for weeks.
Sources: Times of India