Monday, September 26, 2005

On this day 22 years ago, Stanislav Petrov saved the world.

About forty minutes after midnight, when it was late afternoon in the States, sirens in the bunker howled, warning lights blazed. Cosmos-1382, an Oko satellite, detected a launch of a Minuteman nuclear missile from Malmstrom AirForce Base in Montana, the main American ICBM field. Americans have launched an attack on the Soviet Union. Everyone in the room felt the gravity of the situation. On a large US map on the wall a light turned on showing the location of the missile launch. A "Start" button flashed before Stanislav. He had less than 10 minutes to decide the fate of the world. Military instructions that he remembered all too well said he needs to press it and send a confirmation to the Defence Minister of the USSR. But something didn't look right. "Who would start a nuclear war with only one missile?" thought Stanislav Petrov. That must have been a reading error, a false positive, a bug somewhere in the notification system. As a software engineer he knew that no system is immune to errors.

On this day 22 years ago, Stanislav Petrov saved the world.
[from MetaFilter.com]

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