PLZT anti-flash goggles that protect aircrew from the flash of a nuclear explosion
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PLZT anti-flash goggles that protect aircrew from the flash of a nuclear explosion
What was the 1983 Soviet Nuclear False Alarm Incident?
Introduction 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 centre of the…
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What is the Purpose of a Permissive Action Link?
Introduction A permissive action link (PAL) is an access control security device for nuclear weapons. Its purpose is to prevent unauthorised arming or detonation of a nuclear weapon. The United States Department of Defence definition is: UC1583 PAL controller (early 1990s), based on a commercial Compaq LTE laptop. A device included in or attached to a nuclear weapon system to preclude arming…
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On Sept. 10, 1969, six and a half miles south of Rulison, Colorado, a 40-kiloton nuclear bomb exploded in the subterranean depths of the Piceance Basin
The device, more than twice as powerful as the weapon at Hiroshima and with muscle equivalent to 40,000 tons of TNT, was an unorthodox tool in a grand experiment to free natural gas and kickstart a boom. The nuclear age wanted to give the oil and gas age a hand up
Today the site of Project Rulison is mostly forgotten.
Mushroom cloud
What was the Vela Incident (1979)?
What was the Vela Incident (1979)?
Introduction The Vela incident, also known as the South Atlantic Flash, was an unidentified double flash of light detected by an American Vela Hotel satellite on 22 September 1979 near the Prince Edward Islands in the Indian Ocean. The cause of the flash remains officially unknown, and some information about the event remains classified by the US government. While it has been suggested that the…
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What is Exercise Spade Fork?
What is Exercise Spade Fork?
Introduction
Federal Emergency Plan D-Minus was a plan developed by the United States of America (US) in the 1950’s to guide the federal government in the immediate aftermath of a catastrophic nuclear attack.
Plan D-Minus was part of the National Plan for Emergency Preparedness, which also included Mobilisation Plan C (providing direction for federal planning in the three weeks prior to a…
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