The first thermonuclear device was tested on October 31, 1952
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On October 31, 1952, the U.S. Atomic Energy Commission detonated the first thermonuclear device, code-named “Mike,” at Enewetak Atoll in the Pacific Ocean.
The explosion had a yield of 10.4 megatons. This information is given in the U.S. Department of Energy’s chronology.
Image: United States Department of Energy Public domain
Translation editor: Ловушкин А.
Source: www.energy.gov ↗