USS Shark (SS-8)

	USS Shark underway, c. 1903–1907
History
United States
Name	Shark
Namesake	The shark
Builder	Crescent Shipyard, Elizabethport, New Jersey
Laid down	11 January 1901
Launched	19 October 1901
Commissioned	19 September 1903
Decommissioned	21 April 1908
Recommissioned	14 August 1909
Decommissioned	12 December 1919
Renamed	A-7 (Submarine Torpedo Boat No.8), 17 November 1911
Stricken	16 January 1922
Identification	Hull symbol: SS-8 (17 July 1920); Call sign: NSK; ;
General characteristics
Class & type	Plunger-class submarine
Displacement	107 long tons (109 t) surfaced; 123 long tons (125 t) submerged;
Length	63 ft 10 in (19.46 m)
Beam	11 ft 11 in (3.63 m)
Draft	10 ft 7 in (3.23 m)
Installed power	160 bhp (120 kW) surfaced ; 150 bhp (110 kW) submerged;
Propulsion	1 × Otto Gas Engine Works gas engine; 1 × Electro Dynamic electric motor; 60-cell battery; 1 × shaft;
Speed	8 kn (15 km/h; 9.2 mph) surfaced; 7 kn (13 km/h; 8.1 mph) submerged;
Test depth	150 ft (46 m)
Complement	1 officer; 6 enlisted;
Armament	1 × 17.7 in (450 mm) "18-in" torpedo tube (5 torpedoes)

USS Shark/A-7 (SS-8), also known as "Submarine Torpedo Boat No. 8", was one of seven Plunger-class submarines built for the United States Navy (USN) in the first decade of the 20th century. She was the third boat of the USN to be named for the shark. Used primarily for training, she was transported to the Philippines, in 1908. During WWI she served as harbor defense in Manila Bay.