Prime Minister Sir Keir Starmer and Defence Secretary John Healey visited a Vanguard class submarine off the coast of Scotland The Royal Navy must keep one nuclear-armed submarine at sea at all times.

Submariners have made history with what is believed to be the longest deployment of a nuclear-armed submarine in Royal Navy history. A Vanguard-class vessel reportedly returned to its Faslane base ...

After 204 days, a Royal Navy nuclear-powered submarine broke the record for how long a crew was out on the open ocean. The UK’s Royal Navy operates just four Vanguard-class nuclear-powered ...

HMS Dreadnought will be the first of the four Dreadnought class nuclear-powered ballistic missile submarines (SSBNs) scheduled to enter service in the early 2030s. Following its keel-laying ceremony ...

Sir Keir Starmer made a rare visit to a nuclear submarine on Wednesday in a rare showcasing of Britain’s nuclear deterrent. The PM and Defence Secretary John Healey visited the Vanguard class ...

Sir Keir Starmer made a rare visit to a nuclear submarine on Wednesday in a rare showcasing of Britain’s nuclear deterrent. The PM and Defence Secretary John Healey visited the Vanguard class ...

Japan's fourth Taigei-class submarine, JS Raigei , which was commissioned on 6 March 2025. (Japan Maritime Self-Defense Force) Japan has commissioned its fourth Taigei-class diesel-electric ...

Virginia-class submarine program. The Navy has been procuring Virginia (SSN-774) class nuclear-powered attack submarines (SSNs) since FY1998, and a total of 40 have been procured through FY2024.