USS R-15

	The crew of USS R-15 (SS-92) air out on deck in a warm climate, note the large white square painted on the submarine's fairwater for recognition
History
United States
Name	R-15
Ordered	29 August 1916
Builder	Union Iron Works, San Francisco, California
Cost	$801,906.84 (hull and machinery)
Laid down	30 April 1917
Launched	10 December 1917
Sponsored by	Mrs. Lillian Boyd
Commissioned	27 July 1918
Decommissioned	7 May 1931
Recommissioned	1 April 1941
Decommissioned	17 September 1945
Stricken	11 October 1945
Identification	Hull symbol: SS-92 (17 July 1920); Call sign: NASV; ;
Fate	Sold for scrapping, 13 March 1946
General characteristics
Class & type	R-1-class submarine
Displacement	574 long tons (583 t) surfaced; 685 long tons (696 t) submerged;
Length	186 feet 3 inches (56.77 m)
Beam	18 ft (5.5 m)
Draft	15 ft 6 in (4.72 m)
Installed power	880 brake horsepower (656 kW) diesel; 934 hp (696 kW) electric;
Propulsion	2 × NELSECO 6-EB-14 diesel engines; 2 × Electro-Dynamic Company electric motors; 2 × 60-cell batteries; 2 × Propellers;
Speed	12.5 knots (23.2 km/h; 14.4 mph) surfaced; 9.3 kn (17.2 km/h; 10.7 mph) submerged;
Range	4,700 nautical miles (8,700 km; 5,400 mi) at 6.2 kn (11.5 km/h; 7.1 mph), 7,000 nmi (13,000 km; 8,100 mi) if fuel loaded into the main ballast tanks
Test depth	200 ft (61 m)
Capacity	18,880 US gallons (71,500 L; 15,720 imp gal) fuel
Complement	2 officers ; 27 enlisted;
Armament	4 × 21-inch (533 mm) torpedo tubes (8 torpedoes); 1 × 3-inch (76 mm)/50-caliber deck gun;

USS R-15 (SS-92), also known as "Submarine No. 92", was an R-1-class coastal and harbor defense submarines of the United States Navy commissioned before the end of World War I.