None of the UK’s SSNs were at sea for a three month period up to early October.
Sites latest news
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Secrecy ramping up as problems mount in the UK nuclear programme
The increasingly draconian approach to secrecy is worse than at any time since NIS was founded.
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Major 14-hour fire in Barrow submarine assembly hall
Seven workers were admitted to hospital and later discharged. The extent of damage to submarines is not known.
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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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AWE Emergency Exercise
NIS reports on the Atomic Weapons Establishment (AWE) emergency exercise on 16 July
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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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201 days: HMS Vengeance completes another long patrol
This is thought to be the second longest patrol on record
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Astraea: new warhead named in Defence Command paper
The Paper also contained information about completion of the Mk4A warhead upgrade and work on a new submarine reactor
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AUKUS plans progress with BAE announcement
The partnership is taking shape, but there are problems with production of Virginia-class submarines
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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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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.