Will we ever know if North Korea detonated an hydrogen bomb?
It was, North Korea insists, a successful test of the “H-bomb of justice.”
North Korea says it tested H-bomb, though advance doubted
Soon after the ground shook around its nuclear testing facility, North Korea trumpeted its first hydrogen bomb test — a powerful, self-proclaimed “H-bomb of justice” that would mark a major and unanticipated advance for its still-limited nuclear arsenal.
Report: U.S. came close to nuclear disaster in 1961
LONDON — A U.S. hydrogen bomb nearly detonated on the nation’s east coast, with a single switch averting a blast which would have been 260