Seven workers were admitted to hospital and later discharged. The extent of damage to submarines is not known.
Nuclear Information Service is an independent, not-for-profit research organisation. We investigate the UK nuclear weapons programme and publish accurate and reliable information to stimulate informed debate on disarmament and related issues.
Latest news
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UK working to oppose UN nuclear war study
Diplomats are lobbying against a resolution which would report on the effects of nuclear war.
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New NIS Briefing on Mutual Defence Agreement
Nearly 1,000 components were imported under the MDA between 2020 and 2023.
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US-UK nuclear sharing treaty to be indefinitely extended
Parliament has until 23rd October to object to the changes.
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John Ainslie’s Archives
The complete archives of the late nuclear weapons researcher John Ainslie. Over 3000 documents, reports, press cuttings and memos from Cold War times up until 2016.
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UK nuclear weapons spending rises to £6.5bn
The figure shows a 17% increase from the previous year.
Latest reports
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US-UK Mutual Defence Agreement: A Nuclear Information Service Briefing
An overview of the history, current functioning and future of the US-UK Mutual Defence Agreement.
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Devonport: A Nuclear Information Service Briefing
An overview of the Devonport Royal Dockyard and its role in servicing the UK’s submarine fleet
