An overview of the dockyard where the UK’s nuclear submarines are maintained.
Sites latest news
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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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Extended Patrols: Vanguard problems are here to stay.
A series of very long patrols since 2020 suggest ongoing reliability problems within the fleet.
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Aldermaston and Devonport to remain in ‘special measures’
Both sites 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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Increasing risk of problems in Derby delaying Dreadnought schedule
The Core Production Capability project may miss delivery dates for reactor cores.
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Mensa warhead facility costs now over £2bn
The original budget for the troubled project was £734m
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Aldermaston worker killed in construction accident
The deceased was a 57-year-old employee of Balfour Beatty
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Concept phase for UK Replacement Warhead begins
This is the first official stage of the warhead acquisition process
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AUKUS plan details: a triumph of hope over experience
The details of the plan do not fully address concerns about proliferation risks and submarine-building capacity.
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‘Trouble Ahead’ – A video update
This video updates on our 2019 report which highlighted rising costs and programmatic risks in the UK nuclear weapons programme.