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Delivering the UK’s Nuclear Deterrent as a National Endeavour.
The home of Defence Nuclear Organisation on GOV.UK. Our mission is to keep safe and capable submarines at sea, maintain our nuclear warheads and deliver the nuclear deterrent to protect national and global security.
Our mission is to keep safe and capable submarines at sea, maintain our nuclear warheads and deliver the nuclear deterrent to protect national and global security.
The UK’s independent nuclear deterrent has existed for over 60 years to deter the most extreme threats to our national security and way of life.
Information about UK nuclear deterrence.
Information about the UK’s continuous at sea deterrent (CASD) and the Dreadnought programme to replace the Royal Navy’s Trident missile Vanguard Class Submarines.
Facts about the programme to replace the Royal Navy's Vanguard Class SSBN submarines which form the UK's strategic nuclear deterrent.
Dreadnought is the replacement programme for the Royal Navy’s Trident missile Vanguard Class submarines which form the UK’s nuclear deterrent.
The 2021 Integrated Review set out the government’s vision for the future. This page outlines what it says about the UK’s nuclear deterrent.
Australia, the United Kingdom and the United States have embarked on a profound new partnership called AUKUS, to support a stable, secure and prosperous Indo-Pacific region.
Information about the UK Government’s nuclear deterrence policy and doctrine.
A collection of the Defence Nuclear Organisation's annual reports to Parliament that detail the progress made on the UK's future nuclear deterrent.
The broad governance and management framework within which AWE plc will operate.
This report details the progress made on the Dreadnought submarine programme and other related programmes since the last update in December 2020.
Scottish Secretary will chair the roundtable at the UK Government's Edinburgh HQ as Thales Glasgow wins a multi-million pound defence contract.
The Ministry of Defence (MOD) is conducting a review of historic files relating to the United Kingdom’s Nuclear Weapons programme.
Defence Secretary Ben Wallace has today announced the start of a new nuclear replacement warhead programme in Parliament.
The Integrated Review has generated some misconceptions about the UK’s nuclear deterrent. Here are the answers to some of the most frequently asked questions.
A Written Ministerial Statement has been laid today in Parliament announcing a change of operating model for the Atomic Weapons Establishment (AWE).
This report details the progress made on the Dreadnought submarine programme and other related programmes since the last update in December 2019.
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