<P> Ivy Mike was the codename given to the first test of a full - scale thermonuclear device , in which part of the explosive yield comes from nuclear fusion . It was detonated on November 1 , 1952 by the United States on the island of Elugelab in Enewetak Atoll , in the Pacific Ocean , as part of Operation Ivy . It was the first full test of the Teller -- Ulam design , a staged fusion device . </P>
<P> Ivy Mike was the codename given to the first test of a full - scale thermonuclear device , in which part of the explosive yield comes from nuclear fusion . It was detonated on November 1 , 1952 by the United States on the island of Elugelab in Enewetak Atoll , in the Pacific Ocean , as part of Operation Ivy . It was the first full test of the Teller -- Ulam design , a staged fusion device . </P>
when did the us detonate the first hydrogen bomb
when did the us detonate the first hydrogen bomb
November 1 , 1952
November 1 , 1952