What You Need to Know: The Royal Navy's Vanguard-class ballistic missile submarines have been the cornerstone of the UK's nuclear deterrent since the early 1990s. Comprising four vessels—HMS ...

After 204 days, a Royal Navy nuclear-powered submarine broke the record for how long a crew was out on the open ocean.

Sir Keir Starmer made a rare visit to a nuclear submarine on Wednesday in a rare showcasing of Britain’s nuclear deterrent.

A Vanguard-class submarine used for Britain’s nuclear deterrent has resurfaced after a record-breaking 204 days at sea.

The prime minister boarded HMS Vanguard, one of the UK's nuclear-armed submarines, which had been at sea more than 200 days, ...

The Prime Minister stepped aboard HMS Vanguard - the UK's older nuclear-armed submarine - as it returned from 204 days at sea ...

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

The prime minister pays a rare visit to the crew of HMS Vanguard, as the submarine returns to UK waters after more than 200 ...

HMS Dreadnought, the lead vessel in the Royal Navy’s new Dreadnought class of nuclear submarines, had its keel-laying ceremony at the Barrow-in-Furness shipyard of BAE Systems on 20 March.

The Prime Minister joined a Vanguard Class submarine crew returning home from nuclear deterrent patrol. He boarded the boat as it returned to UK waters, known as 'a Day Zero', to thank submariners for ...

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 ...

Sir Keir Starmer has boarded a nuclear-armed submarine as it returned from a lengthy patrol - in a rare showcasing of the UK's nuclear deterrent that will catch Russia's attention at a time of ...