Question: What lieutenant colonel of the Soviet Air Defence Forces correctly identified a false alarm on 26 September 1983
Sentence (from "Stanislav Petrov"): Stanislav Yevgrafovich Petrov (Russian: Станисла́в Евгра́фович Петро́в ; 7 September 1939 – 19 May 2017) was a lieutenant colonel of the Soviet Air Defence Forces who became known as "the man who single-handedly saved the world from nuclear war" for his role in the 1983 Soviet nuclear false alarm incident.
Relevant evidence: Yes