A series of very long patrols since 2020 suggest ongoing reliability problems within the fleet.
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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Aldermaston and Devonport to remain in ‘special measures’
Both sties are struggling with longstanding issues, according to the Chief Nuclear Inspector
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Aurora – Aldermaston’s new £2.5bn plutonium facility
The project is currently in its early design phase.
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HMS Vanguard leaves Devonport after 7 years of maintenance
The cost of the work has been estimated at over £500m
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John Ainslie’s Archives
The Ainslie Archive is a work-in-progress and feedback is welcomed. NIS is scanning, tagging and uploading the vast archive of the late nuclear weapons researcher. You can already browse over 1000 documents
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Increasing risk of problems in Derby delaying Dreadnought schedule
The Core Production Capability project may miss delivery dates for reactor cores.
Latest reports
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Extreme Circumstances: The UK’s new nuclear warhead in context
This new research report gathers together all available information from UK and US sources on the replacement nuclear warhead programme.
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Nuclear Weapon Modernisation: Attitudes of non-nuclear weapon states
This briefing compiles all the official statements on the subject of nuclear modernisation in NPT meetings since 2015 and in the Open Ended Working Group and negotiations for the TPNW.
