WHAT DOES UNDERWATER NUCLEAR TEST 'UMBRELLA' MEAN?

The 1946 Baker test, just after the chimney experienced broken through the cloud, as well as the crack had formed about the drinking water's area The Baker nuclear test at Bikini Atoll in July 1946 was a shallow underwater explosion, A part of Operation Crossroads. A twenty kiloton warhead was detonated inside of a lagoon which was around 200 ft (