Who is Stanislav Petrov, the man who literally saved the world from nuclear war?

Stanislav Petrov, 77, passed away on May 19, 2017. His death in his home in the Moscow suburbs was little noted at the time. Petrov, however, is one of a few humans who can say they literally saved the world. The veteran was a lieutenant colonel of the Soviet Union Air Defense Forces. On Sept. 26, 1983, the Soviets' early-warning nuclear missile detection system was triggered. The system said the United States had fired five ballistic missiles at the Soviet Union. Petrov was the duty officer at the co