HMS Sea Nymph 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 Cammell Laird and launched on July 29, 1942.

She spent most of the Second World War in home waters off the Scandinavian Coast, where she made a number of unsuccessful attacks on enemy shipping, including the German submarine U-592, the Norwegian merchant Jupiter and the German merchant Levante. All torpedoes fired missed their targets.

Sea Nymph survived the war and was eventually sold. She arrived at Troon in June 1948 for breaking up.