A SIMPLE KEY FOR UNDERWATER NUCLEAR TEST 'UMBRELLA' (1958) UNVEILED

The 1946 Baker test, just following the chimney had broken throughout the cloud, as well as crack had shaped within the drinking water's floor 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 a lagoon which was approximately 200 ft