9 ago 1949 ano - The Soviets explode its first atomic bomb

Descrição:

This replica, named Joe-1 by the West, was detonated at the Semipalatinsk Test Site in Kazakhstan on August 29, 1949. Its estimated yield was about 22 kilotons. A few weeks later, a specially-equipped U.S. weather plane flying off the coast of Siberia collected radioactive debris suggesting a recent atomic explosion.

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