THE ULTIMATE GUIDE TO UNDERWATER NUCLEAR TEST 'UMBRELLA'

The 1946 Baker test, just following the chimney experienced broken from the cloud, along with the crack had formed over the drinking water's area The Baker nuclear test at Bikini Atoll in July 1946 was a shallow underwater explosion, part of Operation Crossroads. A 20 kiloton warhead was detonated within a lagoon which was close to 200 ft (61 m)