DETAILED NOTES ON UNDERWATER NUCLEAR TEST 'UMBRELLA'

The 1946 Baker test, just once the chimney had broken from the cloud, as well as crack had shaped over the drinking water's area The Baker nuclear test at Bikini Atoll in July 1946 was a shallow underwater explosion, Section of Operation Crossroads. A 20 kiloton warhead was detonated inside a lagoon which was about 200 ft (61 m) deep. The first e