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On October 25, 1962, again during the Cuban Missile Crisis, a security guard at an air base in Duluth, Minnesota, saw a shadowy figure scaling one of the fences enclosing the base. He shot at the intruder and activated an intruder alarm, automatically setting off intruder alarms at neighboring bases.
However, at the Volk Field air base in Wisconsin, the Klaxon loudspeaker had been wired incorrectly, and instead sounded an alarm ordering F-106A interceptors armed with nuclear missiles to take off. The pilots assumed that a full-scale nuclear conflict with the Soviet Union had begun, and the planes were about to take off when a car from the air traffic control tower raced down the tarmac and signaled the planes to stop. The intruder in Duluth had finally been identified: it was a bear.
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On November 9, 1979, four command centers for the U.S. nuclear arsenal received data on their radar screens indicating that the Soviet Union had launched a full-scale nuclear first strike on the United States. Over the next six minutes, planes were launched and nuclear missiles initialized for an immediate retaliatory strike.
The president’s National Emergency Airborne Command Post – an armored jump jet with radiation shielding and advanced communications capabilities, meant to allow the president to remain in contact with the government and armed forces during a nuclear war – was also launched, although curiously without the president aboard. However, the alarm was canceled because no sensors or satellites detected an actual Soviet missile launch. The alarm had been caused by computer software used for training exercises depicting a nightmare scenario Soviet first strike.
Senator Charles Percy, who happened to be at NORAD headquarters during this event, said the reaction was one of overwhelming panic and terror. Justifiably so.
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Electronic displays at NORAD, the SAC, and the Pentagon included prominent, highly visible numeric counters showing the number of enemy nuclear missiles detected. They normally displayed four zeros – “0000” – indicating that no nuclear missiles had been launched.
However, on June 3, 1980, at 2:25 in the morning, the counters started randomly substituting the number “2” for “0.” As a result, crews manning bombers carrying nuclear weapons were ordered to begin to warm up their engines, Minuteman missiles were initialized for launch, and airborne command posts were also launched.
It was determined that this first even was a false alarm, but three days later it happened a second time – causing the entire emergency response procedure to start rolling once again. The problem was eventually traced back to a single faulty computer chip combined with faulty wiring.
| จากคุณ |
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Away from Thailand 
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| เขียนเมื่อ |
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29 ส.ค. 55 15:53:03
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