Military Wiki
HMS Sea Devil (P244)
HMS Sea Devil.jpg
Career Royal Navy Ensign
Class and type: S-class submarine
Name: HMS Sea Devil
Builder: Scotts, Greenock
Laid down: 5 May 1943
Launched: 30 January 1945
Commissioned: 12 May 1945
Fate: Broken up in 1966
General characteristics
Displacement: 670 tons surfaced
960 tons submerged
Length: 208 ft 9 in (63.63 m)
Beam: 24 ft (7.3 m)
Draught: 10 ft 6 in (3.20 m)
Propulsion: Twin diesel/electric
Speed: 13.75 knots surfaced
10 knots submerged
Complement: 39 officers and men
Armament: 6 x forward 21-inch torpedo tubes
12 torpedoes
one three-inch gun
one .303-calibre machine gun

HMS Sea Devil was an S-class submarine of the Royal Navy. She was launched late in the Second World War, on 30 January 1945. So far she has been the only ship of the Royal Navy to bear the name Sea Devil. Her first captain was Commander Denis Woolnough Mills, who was previously First Lieutenant of HMS Thunderbolt.

Her late commissioning meant that she did not see much action before the end of the Second World War.[1] In 1953 she took part in the Fleet Review to celebrate the Coronation of Queen Elizabeth II.[2] She had a long service career, and by the time she was sold for breaking up, she was the last of the S-class in service with the Royal Navy, though other S-classes remained in service with other navies.

She arrived at Newhaven in February 1966 for breaking up.


  1. HMS Sea Devil,
  2. Souvenir Programme, Coronation Review of the Fleet, Spithead, 15th June 1953, HMSO, Gale and Polden


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