USS S-15

	USS S-15 (SS-120), dockside at Bridgeport, Connecticut, 3 January, 12 days before her commissioning, on 15 January 1921
History
United States
Name	S-15
Builder	Lake Torpedo Boat Company, Bridgeport, Connecticut
Cost	$1,020,854.53 (hull and machinery)
Laid down	13 December 1917
Launched	8 March 1920
Sponsored by	Mrs. Margaret Lake
Commissioned	15 January 1921
Decommissioned	26 April 1935
Recommissioned	3 January 1941
Decommissioned	11 June 1946
Stricken	3 July 1946
Identification	Hull symbol: SS-120; Call sign: NINB; ;
Fate	Sold for scrapping, 4 December 1946
General characteristics
Class & type	S-3-class submarine
Displacement	875 long tons (889 t) surfaced; 1,088 long tons (1,105 t) submerged;
Length	231 feet (70 m)
Beam	21 ft 10 in (6.65 m)
Draft	13 ft 1 in (3.99 m)
Installed power	1,400 brake horsepower (1,044 kW) diesel; 1,200 hp (895 kW) electric;
Propulsion	2 × Busch-Sulzer 6M150 diesel engines; 2 × Westinghouse Electric Corporation electric motors; 2 × 60-cell batteries; 2 × Propellers;
Speed	15 knots (28 km/h; 17 mph) surfaced; 11 kn (20 km/h; 13 mph) submerged;
Test depth	200 ft (61 m)
Capacity	36,950 US gallons (139,900 L; 30,770 imp gal) fuel
Complement	4 officers ; 34 enlisted;
Armament	4 × Bow 21-inch (533 mm) torpedo tubes (12 torpedoes); 1 × Stern 21-in torpedo tube (2 torpedoes); 1 × 4-inch (102 mm)/50-caliber;

USS S-15 (SS-120) was an S-3-class, also referred to as a "Government"-type, submarine of the United States Navy.