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

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

The Royal Navy is getting closer to introducing a new type of nuclear submarine. In March, the British military laid the keel of the HMS Dreadnought, which will carry nuclear weapons and contribute to ...

A nuclear-powered submarine of the Royal Navy has resurfaced and returned to port after completing a record-breaking 204 days ...

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.

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

Submariners have returned from what is believed to be the longest deployment of a nuclear-armed submarine in Royal Navy ...

The keel of the first of the UK’s new Dreadnought submarines, the most powerful and technically advanced boats ever designed ...

Britain has laid the keel for the Royal Navy's largest-ever submarine. At BAE Systems's Barrow-in-Furness facility, the ...

Submariners have made history with what is believed to be the longest deployment of a nuclear-armed submarine in Royal Navy ...

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

The keel of the first of the UK’s new Dreadnought submarines has been laid at BAE Systems’ Barrow-in-Furness shipyard.