After a four-decade period of service, the UK has called time on the Trafalgar class, as it looks to an expanded future force ...

British Royal Navy Submarine HMS Triumph, N18, at sea, date not given. / Getty Images The last attack by the vessel is believed to have been against an Axis cement freighter.

HMS Triumph (S93) sailed into HMNB Devonport flying a decommissioning pennant on the afternoon of Dec. 12, 2024, marking an end to its 33 years of service in the Royal Navy.

They'd already located the wrecks of four submarines — including HMS Perseus in 1997 — but finding HMS Triumph was "extremely difficult," she said. "Most of the time was in bad weather and ...

Displacing 17,000 tons, the submarine is powered by a Rolls-Royce PWR3 nuclear reactor, a turbo-electric drive, and a pump jet. It will be capable of staying at sea for unlimited periods of time ...

Behind the Record: Life on HMS Vengeance During Its Historic 201-Day Patrol. It takes a special breed of men and women to serve on a submarine, but the crew of the Royal Navy’s HMS Vengeance ...

The HMS Thistle sank on April 10, 1940, when it was sunk by a torpedo launched from a German submarine. All 53 crew members died. The vessel is now considered a "war grave," according to the news ...

Since 2000, at least 14 expedition crews have unsuccessfully tried to find the final resting place of the HMS Trooper, but the ill-fated World War II submarine has finally been located.According ...