tag:www.gov.uk,2005:/search/guidance-and-regulation Guidance and regulation from Defence Nuclear Enterprise (DNE) 2025-10-27T17:56:40+00:00 HM Government tag:www.gov.uk,2005:/government/publications/uk-royal-navy-submarines 2025-10-27T17:56:40+00:00 UK Royal Navy submarines The different types of UK nuclear submarine and what they do.