High Quality Content by WIKIPEDIA articles Stanislav Yevgrafovich Petrov (Russian: Stanisláv Evgráfovich Petróv; born c. 1939) is a retired lieutenant colonel of the Soviet Air Defence Forces. On September 26, 1983, he was the duty officer at the command center for the Oko nuclear early-warning system when the system reported a missile being launched from the United States. Petrov judged that the report was a false alarm. This decision...