The Underwater Nuclear Blast That Shook the Ocean Operation Wahoo was an underwater nuclear detonation test conducted by the United States on May 16, 1958, as part of Operation Hardtack I. The test involved a 9-kiloton nuclear device detonated at a depth of approximately 500 feet (150 meters) in the Pacific Ocean near Enewetak Atoll. The explosion created a massive underwater shockwave, sending a towering water column and radioactive spray into the air. The test was designed to study the effects

Observers watch a nuclear test at Bikini Atoll in the Pacific, 1946. Film: IWM WPN 275 | Imperial War Museum London

Nuclear testing at Bikini Atoll (4K Super Enhanced Color Video) 🚩🚩🚩 Nuclear testing at Bikini Atoll consisted of the detonation of 23 nuclear weapons by the United States between 1946 and 1958 on Bikini Atoll in the Marshall Islands. Tests occurred at seven test sites on the reef itself, on the sea, in the air, and underwater. The test weapons produced a combined fission yield of 42.2 Mt of TNT in explosive power. The United States was engaged in a Cold War nuclear arms race with the Soviet U