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The Windscale fire of 10 October 1957 was the worst nuclear accident in the United Kingdom's history, and one of the worst in the world, ranked in severity at level 5 out of 7 on the International Nuclear Event Scale. [1] The fire was in Unit 1 of the two-pile Windscale site on the north-west coast of England in Cumberland (now Sellafield ...
Scotland, United Kingdom Melting of fuel element at Dumfries and Galloway. Graphite debris partially blocked a fuel channel causing a fuel element to melt and catch fire at the Chapelcross nuclear power station. Contamination was confined to the reactor core. The core was repaired and restarted in 1969, operating until the plant's shutdown in 2004.
After the UK government announced its plans to refurbish its Trident missiles and build new submarines to carry them, it published a white paper on The Future of the United Kingdom's Nuclear Deterrent, in which it stated that the renewal is fully compatible with the United Kingdom's treaty commitments and international law. [395]
A nuclear explosion is an explosion that occurs as a result of the rapid release of energy from a high-speed nuclear reaction.The driving reaction may be nuclear fission or nuclear fusion or a multi-stage cascading combination of the two, though to date all fusion-based weapons have used a fission device to initiate fusion, and a pure fusion weapon remains a hypothetical device.
The Kyshtym disaster was a radiation contamination accident (after a chemical explosion that occurred within a storage tank) at Mayak, a nuclear fuel reprocessing plant in the Soviet Union. Estimated 200 possible cancer fatalities [33] 6 October 10, 1957: Sellafield, Cumberland, United Kingdom
The United Kingdom Warning and Monitoring Organisation (UKWMO) was a British civilian organisation operating to provide UK military and civilian authorities with data on nuclear explosions and forecasts of fallout across the country in the event of nuclear war.
The Soviet nuclear submarine K-129 sank with a crew of 98 due to an explosion of unknown cause. The International Atomic Energy Agency stated that two nuclear warheads from K-129 were located in the Pacific 1,230 miles from Kamchatka at coordinates 40°6'N and 179°57'E at a depth of 6,000 metres (20,000 ft), and lists them as recovered.
The Official History of the UK Strategic Nuclear Deterrent: Volume I: From the V-Bomber Era to the Arrival of Polaris, 1945-1964 (Taylor & Francis, 2017). Jones, Matthew. The Official History of the UK Strategic Nuclear Deterrent: Volume II: The Labour Government and the Polaris Programme, 1964-1970 (Taylor & Francis, 2017). Salisbury, Daniel.