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mahatmakanejeeves

(61,587 posts)
Thu Sep 26, 2024, 11:55 AM Sep 26

On this day, September 26, 1983, Soviet lieutenant colonel Stanislav Petrov averted a potential nuclear war.

Last edited Thu Sep 26, 2024, 01:05 PM - Edit history (4)

https://en.wikipedia.org/wiki/Main_Page

• 1983 – Cold War: Soviet lieutenant colonel Stanislav Petrov averted a potential nuclear war by identifying as a false alarm signals that appeared to indicate an impending U.S. missile attack.

1983 Soviet nuclear false alarm incident


Petrov in 2016

On 26 September 1983, during the Cold War, the Soviet nuclear early warning system Oko reported the launch of one intercontinental ballistic missile with four more missiles behind it, from the United States. These missile attack warnings were suspected to be false alarms by Stanislav Petrov, an engineer of the Soviet Air Defence Forces on duty at the command center of the early-warning system. He decided to wait for corroborating evidence—of which none arrived—rather than immediately relaying the warning up the chain of command. This decision is seen as having prevented a retaliatory nuclear strike against the United States and its NATO allies, which would likely have resulted in a full-scale nuclear war. Investigation of the satellite warning system later determined that the system had indeed malfunctioned.

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Incident

On 26 September 1983, Stanislav Petrov, a lieutenant colonel in the Soviet Air Defense Forces, was the officer on duty at the Serpukhov-15 bunker near Moscow which housed the command center of the Soviet early warning satellites, code-named Oko. Petrov's responsibilities included observing the satellite early-warning network and notifying his superiors of any impending nuclear missile attack against the Soviet Union. If notification was received from the early-warning systems that inbound missiles had been detected, the Soviet Union's strategy was an immediate and compulsory nuclear counter-attack against the United States (launch on warning), specified in the doctrine of mutual assured destruction.

Shortly after midnight, the bunker's computers reported that one intercontinental ballistic missile was heading toward the Soviet Union from the United States. Petrov considered the detection a computer error, since a first-strike nuclear attack by the United States was likely to involve hundreds of simultaneous missile launches in order to disable any Soviet means of a counterattack. Furthermore, the satellite system's reliability had been questioned in the past. Petrov dismissed the warning as a false alarm, though accounts of the event differ as to whether he notified his superiors or not after he concluded that the computer detections were false and that no missile had been launched. Petrov's suspicion that the warning system was malfunctioning was confirmed when no missile arrived. Later, the computers identified four additional missiles in the air, all directed towards the Soviet Union. Petrov suspected that the computer system was malfunctioning again, despite having no direct means to confirm this. The Soviet Union's land radar was incapable of detecting missiles beyond the horizon.

It was subsequently determined that the false alarms were caused by a rare alignment of sunlight on high-altitude clouds and the satellites' Molniya orbits, an error later corrected by cross-referencing a geostationary satellite.

In explaining the factors leading to his decision, Petrov cited his belief and training that any U.S. first strike would be massive, so five missiles seemed an illogical start. In addition, the launch detection system was new and in his view not yet wholly trustworthy, while ground radar had failed to pick up corroborative evidence even after several minutes of the false alarm.

Aftermath


A memorial stone to Petrov in Warsaw, Poland, acknowledging his courage in the 1983 incident.

Petrov underwent intense questioning by his superiors about his actions. Initially, he was praised for his decision. General Yuri Votintsev, then commander of the Soviet Air Defense's Missile Defense Units, who was the first to hear Petrov's report of the incident (and the first to reveal it to the public in 1998), stated that Petrov's "correct actions" were "duly noted". Petrov himself stated he was initially praised by Votintsev and was promised a reward, but recalled that he was also reprimanded for improper filing of paperwork with the pretext that he had not described the incident in the military diary.

He received no reward. According to Petrov, this was because the incident and other bugs found in the missile detection system embarrassed his superiors and the influential scientists who were responsible for it, so that if he had been officially rewarded, they would have had to be punished. He was reassigned to a less sensitive post, took early retirement (although he emphasized that he was not "forced out" of the army, as is sometimes claimed by Western sources), and suffered a nervous breakdown.

Oleg Kalugin, a former KGB chief of foreign counter-intelligence who knew Soviet leader Yuri Andropov well, said that Andropov's distrust of American leaders was profound. It was conceivable that if Petrov had declared the satellite warnings valid, such an erroneous report could have provoked the Soviet leadership into becoming bellicose. Kalugin said: "The danger was in the Soviet leadership thinking, 'The Americans may attack, so we better attack first.'"

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Stanislav Petrov

Stanislav Petrov

Petrov in 2016

Born: Stanislav Yevgrafovich Petrov; 7 September 1939; Vladivostok, Russian SFSR, Soviet Union
Died: 19 May 2017 (aged 77); Fryazino, Russia
Known for: 1983 Soviet nuclear false alarm incident
Years of service: 1972–1984
Rank: Lieutenant colonel

Stanislav Yevgrafovich Petrov (Russian: Станисла́в Евгра́фович Петро́в; 7 September 1939 – 19 May 2017) was a lieutenant colonel of the Soviet Air Defence Forces who played a key role in the 1983 Soviet nuclear false alarm incident. On 26 September 1983, three weeks after the Soviet military had shot down Korean Air Lines Flight 007, Petrov was the duty officer at the command center for the Oko nuclear early-warning system when the system reported that a missile had been launched from the United States, followed by up to four more. Petrov judged the reports to be a false alarm.

His subsequent decision to disobey orders, against Soviet military protocol, is credited with having prevented an erroneous retaliatory nuclear attack on the United States and its NATO allies that would have resulted in a large-scale nuclear war. An investigation later confirmed that the Soviet satellite warning system had indeed malfunctioned. Because of his decision not to launch a retaliatory nuclear strike amid this incident, Petrov is often credited as having "saved the world".

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Tue Sep 26, 2023: On September 26, 1983, Soviet lieutenant colonel Stanislav Petrov averted a potential nuclear war.
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On this day, September 26, 1983, Soviet lieutenant colonel Stanislav Petrov averted a potential nuclear war. (Original Post) mahatmakanejeeves Sep 26 OP
One person's decision prevented a mass extinction event. usonian Sep 26 #1

usonian

(14,585 posts)
1. One person's decision prevented a mass extinction event.
Thu Sep 26, 2024, 12:22 PM
Sep 26

He overrode the launch alert.
What a momentous decision.

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