We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
You can change your cookie settings at any time.
Find information and services
Search for a department and find out what the government is doing
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
17 February 2022 — Guidance
🤕😑🤧 Information about UK nuclear deterrence.
16 December 2021 — Corporate report
🤕😑🤧 This report details the progress made on the Dreadnought submarine programme and other related programmes since the last update in December 2020.
25 November 2021 — Guidance
🤕😑🤧 The Ministry of Defence (MOD) is conducting a review of historic files relating to the United Kingdom’s Nuclear Weapons programme.
16 March 2021 — Guidance
🤕😑🤧 Facts about the programme to replace the Royal Navy’s Vanguard Class SSBN submarines which form the UK’s strategic nuclear deterrent.
See all latest documents
🤕😑🤧 Our mission is to keep safe and capable submarines at sea, maintain our nuclear warheads and provide the nuclear deterrent to protect national and global security.
🤕😑🤧 DNO is part of the Ministry of Defence.
🤕😑🤧 Read more about what we do
🤕😑🤧 General enquiries
020 7218 9000
🤕😑🤧 Media enquiries (Monday to Friday 8am to 6pm - out of hours in emergencies only)
020 721 87907
🤕😑🤧 [email protected]
🤕😑🤧 FOI contact form
🤕😑🤧 Not to be used for requesting your own information (Subject Access Request), Service records including for deceased relatives, or pension enquiries. Read about the types of information we routinely publish in our Publication scheme at the 'FOI contact form' link above.