This is the second consecutive failure, following one in 2016.
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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NIS briefing on Devonport Dockyard
An overview of the dockyard where the UK’s nuclear submarines are maintained.
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Faulty depth gauge causes unplanned dive on Vanguard submarine
A disaster was averted when engineering staff alerted the control room.
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AUKUS and SMR hopes prompt Rolls Royce expansion plans
A substantial enlargement of Raynesway is planned, alongside a nuclear innovation centre on a separate site.
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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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Spiralling nuclear costs make the MOD’s equipment plan unsustainable.
Analysis by the National Audit Office shows a shortfall of £16bn or more.
Latest reports
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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
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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.