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Nuclear weapon test Mike (yield 10.4 Mt) on Enewetak Atoll.
Nuclear weapon test Mike (yield 10.4 Mt) on Enewetak Atoll.
Credit: nuclearweaponarchive.org
Nuclear testing: Operation Ivy: The United States successfully detonates the first hydrogen bomb, codenamed " Mike", at Eniwetok Atoll in the Marshall Islands in the central Pacific Ocean, with a yield of 10.4 megatons.