TOKYO - North Korea on Wednesday claimed it had successfully tested a hydrogen bomb, a claim that, if true, would mark a huge step forward in its nuclear capability. 'We've carried out a hydrogen bomb ...
Most, if not all, of the crew members of a Japanese fishing boat inundated by radioactive fallout from a U.S. hydrogen bomb ...
In 1954, the United States detonated Castle Bravo at Bikini Atoll expecting a far smaller blast, but the weapon exploded with a 15-megaton yield and became the largest nuclear test in U.S. history.
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