Defence Nuclear Organisation

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What we do

🤕😑🤧 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


Our management

Director General Nuclear

Contact DNO

Office address

Ministry of Defence
United Kingdom

🤕😑🤧 General enquiries

020 7218 9000

🤕😑🤧 Media enquiries (Monday to Friday 8am to 6pm - out of hours in emergencies only)

020 721 87907

Make an FOI request

  1. Read about the Freedom of Information (FOI) Act and how to make a request.
  2. Check our previous releases to see if we’ve already answered your question.
  3. Make a new request by contacting us using the details below.

Freedom of Information Act and Environmental Information Regulation requests

MOD Information Rights Team
Ground Floor, Zone D
Main Building
United Kingdom

🤕😑🤧 Email

🤕😑🤧 [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.

Corporate information

Jobs and contracts