USS Haddo (SS-255)

History
Builder:	Electric Boat Company, Groton, Connecticut
Laid down:	1 October 1941
Launched:	21 June 1942
Sponsored by:	Mrs. Charles F. Russell
Commissioned:	9 October 1942
Decommissioned:	16 February 1946
Struck:	1 August 1958
Fate:	Sold for scrap, 4 May 1959
General characteristics
Class and type:	Gato-class diesel-electric submarine
Displacement:	1,525 long tons (1,549 t) surfaced 2,424 long tons (2,463 t) submerged
Length:	311 ft 9 in (95.02 m)
Beam:	27 ft 3 in (8.31 m)
Draft:	17 ft 0 in (5.18 m) maximum
Propulsion:	4 × Hooven-Owens-Rentschler (H.O.R.) diesel engines driving electrical generators 2 × 126-cell Sargo batteries 4 × high-speed General Electric electric motors with reduction gears two propellers 5,400 shp (4.0 MW) surfaced 2,740 shp (2.0 MW) submerged
Speed:	21 kn (39 km/h) surfaced 9 kn (17 km/h) submerged
Range:	11,000 nmi (20,000 km) surfaced at 10 kn (19 km/h)
Endurance:	48 hours at 2 kn (4 km/h) submerged 75 days on patrol
Test depth:	300 ft (90 m)
Complement:	6 officers, 54 enlisted
Armament:	10 × 21-inch (533 mm) torpedo tubes 6 forward, 4 aft 24 torpedoes 1 × 3-inch (76 mm) / 50 caliber deck gun Bofors 40 mm and Oerlikon 20 mm cannon

USS Haddo (SS-255), a Gato-class submarine, was the first ship of the United States Navy to be named for the haddo, a pink salmon fish prevalent on the Pacific coast of the United States and Canada.

Her keel was laid down by the Electric Boat Company, Groton, Connecticut. She was launched 21 June 1942 (sponsored by Mrs. Charles F. Russell); and commissioned 9 October 1942, Lieutenant Commander Wallace L. "Pilly" Lent in command.

After conducting shakedown off New England, Haddo departed New London 9 April 1943 to patrol the shipping lanes to Rosneath, Scotland. She arrived 30 April and joined Submarine Squadron 50 (Subron 50), which was assigned to patrol off Norway and Iceland and stand ready in case of a breakthrough of the German fleet from Norway. When it became clear after three patrols that targets were scarce in this region, Haddo and her sister submarines were sent back to the United States.

Haddo returned to New London 29 July 1943 and steamed via the Panama Canal to Mare Island, Calif. Assigned to the Pacific Fleet, she reached Pearl Harbor 25 November and put to sea 14 December on her fourth war patrol, in Philippine waters. The submarine made few contacts and terminated the patrol at Fremantle, Australia, 4 February 1944.

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