TOP UNDERWATER NUCLEAR TEST 'UMBRELLA' SECRETS

The 1946 Baker test, just after the chimney had damaged from the cloud, along with the crack experienced formed around 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 in a very lagoon which was somewhere around 200 ft