HMS Strongbow was an S class submarine

British S class submarine (1931)

The S-class submarines of the Royal Navy were originally designed and built during the modernisation of the submarine force in the early 1930s to meet the need for smaller boats to patrol the restricted waters of the North Sea and the Mediterranean Sea replacing the British H class submarines...

 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...

, and part of the Third Group built of that class. She was built by Scotts

Scotts Shipbuilding and Engineering Company

Scotts Shipbuilding and Engineering Company Limited, often referred to simply as Scotts, was a Scottish shipbuilding company based in Greenock on the River Clyde.- History :...

, of Greenock

Greenock

Greenock is a town and administrative centre in the Inverclyde council area in United Kingdom, and a former burgh within the historic county of Renfrewshire, located in the west central Lowlands of Scotland...

 and launched on August 30, 1943.

She served in the Second World War, spending most of it in the Pacific Far East, where she sank the small Japanese army cargo ship Toso Maru No.1, the Japanese merchant cargo ship Manryo Maru, four Japanese sailing vessels, a Japanese tug and a Japanese barge, three small unidentified Japanese vessels, three Siamese sailing vessels and six other small Siamese / Japanese vessels.

Strongbow was detected on the surface off Port Swettenham, Malaya on 13 January 1945. Japanese escorts soon arrived to attack her. Strongbow managed to escape but sustained such depth charge damage during a 14-hour attack that she was rendered unfit for further service. She was decommissioned at Falmouth in June 1945, and scrapped at Preston in April 1946.