HMS Unshaken

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An aerial view of HMS Unshaken underway in May 1942
History
United Kingdom
Name	HMS Unshaken
Builder	Vickers Armstrong, Barrow-in-Furness
Laid down	12 June 1941
Launched	17 February 1942
Commissioned	21 May 1942
Fate	Scrapped March 1946
Badge
General characteristics
Class and type	U-class submarine
Displacement	Surfaced - 540 tons standard, 630 tons full load Submerged - 730 tons
Length	58.22 m (191 ft)
Beam	4.90 m (16 ft 1 in)
Draught	4.62 m (15 ft 2 in)
Propulsion	2 shaft diesel-electric 2 Paxman Ricardo diesel generators + electric motors 615 / 825 hp
Speed	11.25 knots maximum surfaced 10 knots (19 km/h) maximum submerged
Complement	27-31
Armament	Four bow internal 21 inch (533 mm) torpedo tubes - 8 - 10 torpedoes one - 3-inch (76 mm) gun

HMS Unshaken (P54) was a Royal Navy U-class submarine built by Vickers-Armstrong at Barrow-in-Furness. She has been the only vessel of the Royal Navy to bear the name Unshaken.