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Nearly a nuclear war broke out in 1983.
A man stopped a nuclear war between the Soviet Union and the United States.
Stanislav Yevgrafovich Petrov served in the command center of the Oko nuclear early-warning system.
When
The system reported that the missile was launched from the United States.
Petrov decided that the report was a false alarm and decided to disobey his order.
The military protocol for the Soviet Union
After stopping Iran's retaliatory nuclear attack on the US and NATO allies, which could have led to a large-scale nuclear war investigation, it confirmed that the Soviet satellite warning system actually malfunctioned.