UNDERWATER NUCLEAR TEST 'UMBRELLA' (1958) SECRETS

The 1946 Baker test, just after the chimney had broken from the cloud, along with the crack experienced shaped within the h2o's floor The Baker nuclear test at Bikini Atoll in July 1946 was a shallow underwater explosion, Portion of Operation Crossroads. A 20 kiloton warhead was detonated inside a lagoon which was around 200 ft (sixty one m) deep