HMS Tantalus was a British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 submarine

Submarine

A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which has more limited underwater capability...

 of the third group of the T class

British T class submarine

The Royal Navy's T class of diesel-electric submarines was designed in the 1930s to replace the O, P and R classes. Fifty-three members of the class were built just before and during the Second World War, where they played a major role in the Royal Navy's submarine operations...

. She was built as P318 by Vickers Armstrong

Vickers Armstrong

Vickers-Armstrongs Limited was a British engineering conglomerate formed by the merger of the assets of Vickers Limited and Sir W G Armstrong Whitworth & Company in 1927...

, Barrow

Barrow-in-Furness

Barrow-in-Furness is an industrial town and seaport which forms about half the territory of the wider Borough of Barrow-in-Furness in the county of Cumbria, England. It lies north of Liverpool, northwest of Manchester and southwest from the county town of Carlisle...

, and launched on 24 February 1943. So far she has been the only ship of the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 to bear the name Tantalus, after the mythological Tantalus

Tantalus

Tantalus was the ruler of an ancient western Anatolian city called either after his name, as "Tantalís", "the city of Tantalus", or as "Sipylus", in reference to Mount Sipylus, at the foot of which his city was located and whose ruins were reported to be still visible in the beginning of the...

, son of Zeus

Zeus

In the ancient Greek religion, Zeus was the "Father of Gods and men" who ruled the Olympians of Mount Olympus as a father ruled the family. He was the god of sky and thunder in Greek mythology. His Roman counterpart is Jupiter and his Etruscan counterpart is Tinia.Zeus was the child of Cronus...

.

Service

Tantalus served in the Far East for much of her wartime career. She sank the Malaysian tug Kampung Besar, and the Malaysian Pulo Salanama in April 1944, and went on to sink the Japanese army

Imperial Japanese Army

-Foundation:During the Meiji Restoration, the military forces loyal to the Emperor were samurai drawn primarily from the loyalist feudal domains of Satsuma and Chōshū...

 cargo ships Amagi Maru and Hiyoshi Maru, the Japanese cargo ship Hachijin Maru, the Japanese coaster Palang Maru, the Japanese fishing vessel Taisei Maru No. 12, a Japanese tug and three barges, an unknown Japanese vessel, and a Siamese sailing vessel, whilst claiming to have damaged a second. Tantalus also damaged a tug and the Japanese submarine chaser Ch 1. She also attacked, but missed the Japanese submarine

Imperial Japanese Navy

The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

 I-166, which was sunk later that day by HMS Telemachus

HMS Telemachus (P321)

HMS Telemachus was a British submarine of the third group of the T class. She was built as P321 by Vickers Armstrong, Barrow, and launched on 19 June 1943.-Service:...

.

Tantalus survived the war and continued in service with the Navy, finally being scrapped at Milford Haven in November 1950.