TOP UNDERWATER NUCLEAR TEST 'UMBRELLA' (1958) SECRETS

The 1946 Baker test, just after the chimney had broken in the cloud, plus the crack experienced formed within the water's area The Baker nuclear test at Bikini Atoll in July 1946 was a shallow underwater explosion, Component of Operation Crossroads. A twenty kiloton warhead was detonated inside a lagoon which was approximately two hundred ft (61