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Ranked first globally, Russia possesses 5,449 nuclear weapons, inherited from the Soviet Union's vast nuclear infrastructure. The country maintains both strategic and tactical warheads, with ongoing modernization programs to upgrade delivery systems, including intercontinental ballistic missiles and submarine-launched weapons. 2 / 9

Holding the second position with 5,277 nuclear weapons, the United States developed the first atomic bomb and remains a dominant nuclear power. American nuclear doctrine relies on a strategic triad of land-based missiles, submarine-launched ballistic missiles, and bomber-delivered weapons, with continuous modernization efforts underway. 3 / 9

Ranked third with 600 nuclear weapons, China has rapidly expanded its nuclear capabilities in recent

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