USS Moccasin (SS-5)

	USS A-4, ex-Moccasin, in Manila Bay, c. 1912
History
United States
Name	Moccasin
Namesake	The moccasin
Builder	Crescent Shipyard, Elizabethport, New Jersey
Laid down	8 November 1900
Launched	20 August 1901
Sponsored by	Mrs. Rice
Commissioned	17 January 1903
Decommissioned	15 June 1904
Recommissioned	10 February 1910
Decommissioned	12 December 1919
Renamed	A-4 (Submarine Torpedo Boat No.4), 17 November 1911
Stricken	16 January 1922
Identification	Hull symbol: SS-5 (17 July 1920); Call sign: NKG; ;
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 Moccasin/A-4 (SS-5), also known as "Submarine Torpedo Boat No. 5", was one of seven Plunger-class submarines built for the United States Navy (USN) in the first decade of the 20th century. Named for the Moccasin. She served as a training boat before being transported to the Philippines for harbor defense during WWI.