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How US nuclear weapons compare to China, Russia as Trump orders new tests

The United States is “immediately” restarting nuclear weapons testing, President Donald Trump has said. “Because of other countries’ testing programs, I have instructed the Department of War to start ...

In 1949, Soviet Union detonated its first atom bomb, ending U.S. monopoly on atomic weapons, more than seven decades later United States and Russia together hold over 80 per ...

Soviet Unions first atomic bomb test transformed the international security landscape. On August 29, 1949, the world entered a new stage in which the United States was no longer the sole nuclear power ...