From 1946 through 1958 the United States military conducted numerous atmospheric nuclear weapons tests, including hydrogen bomb tests, primarily at Bikini Atoll, about 120 kilometres (75 mi) from Rongelap Atoll.
De 1946 a 1958 Estados Unidos levou a cabo numerosas probas de armas nucleares, incluíndo probas da bomba de hidróxeno, sobre todo no atol Bikini, a uns 120 quilómetros de Rongelap.