USS Tarpon (SS-175)

	USS Tarpon (SS-175)
History
United States
Builder	Electric Boat Company, Groton, Connecticut
Laid down	22 December 1933
Launched	4 September 1935
Commissioned	12 March 1936
Decommissioned	15 November 1945
Stricken	5 September 1956
Fate	Sold for breaking up, 8 June 1957; foundered off Cape Hatteras, 26 August 1957
General characteristics
Class & type	Porpoise-class diesel-electric submarine
Displacement	1,316 tons (1,337 t) standard, surfaced; 1,968 tons (2,000 t) submerged;
Length	287 ft 0 in (87.48 m) (waterline), 298 ft 0 in (90.83 m) (overall)
Beam	25 ft 3⁄4 in (7.639 m)
Draft	13 ft 9 in (4.19 m)
Propulsion	(as built) 4 × Winton Model 16-201A 16-cylinder two-cycle diesel engines, 1,300 hp (970 kW) each, driving electrical generators through reduction gears; 2 × 120-cell Exide VL31B batteries; 4 × high-speed Elliott electric motors, total 2,085 hp (1,555 kW); three General Motors six-cylinder four-cycle 6-228 auxiliary diesels; (re-engined 1942) 4 × GM two-cycle Model 12-278A diesels, 1,200 hp (890 kW) each; two shafts; 4,300 shp (3.2 MW) surfaced; 2,085 shp (1.6 MW) submerged;
Speed	19.5 knots (36 km/h) surfaced; 8.25 knots (15 km/h) submerged;
Range	6,000 nautical miles (11,000 km) at 10 knots (19 km/h); 21,000 nautical miles (39,000 km) at 10 knots (19 km/h) with fuel in the main ballast tanks; bunkerage 85,946–86,675 US gallons (325,340–328,100 L);
Endurance	10 hours at 5 knots (9.3 km/h), 36 hours at minimum speed submerged
Test depth	250 ft (76 m)
Complement	5 officers, 49 enlisted
Armament	6 × 21 inch (533 mm) torpedo tubes (four forward, two aft, 16 torpedoes); (two external bow torpedo tubes added 1942; total 18 torpedoes); 1 × 4 in (100 mm)/50 caliber deck gun; two .30 cal (7.62 mm) machineguns;

USS Tarpon (SS-175), second United States Navy ship of this name, was a Porpoise-class diesel-electric submarine. Tarpon conducted war patrols in the Pacific Ocean during World War II.

History
USS Tarpon (SS-175)
United States
Builder	Electric Boat Company, Groton, Connecticut
Laid down	22 December 1933
Launched	4 September 1935
Commissioned	12 March 1936
Decommissioned	15 November 1945
Stricken	5 September 1956
Fate	Sold for breaking up, 8 June 1957; foundered off Cape Hatteras, 26 August 1957
General characteristics
Class & type	Porpoise-class diesel-electric submarine
Displacement	1,316 tons (1,337 t) standard, surfaced 1,968 tons (2,000 t) submerged
Length	287 ft 0 in (87.48 m) (waterline), 298 ft 0 in (90.83 m) (overall)
Beam	25 ft 3⁄4 in (7.639 m)
Draft	13 ft 9 in (4.19 m)
Propulsion	(as built) 4 × Winton Model 16-201A 16-cylinder two-cycle diesel engines, 1,300 hp (970 kW) each, driving electrical generators through reduction gears 2 × 120-cell Exide VL31B batteries 4 × high-speed Elliott electric motors, total 2,085 hp (1,555 kW) three General Motors six-cylinder four-cycle 6-228 auxiliary diesels (re-engined 1942) 4 × GM two-cycle Model 12-278A diesels, 1,200 hp (890 kW) each two shafts 4,300 shp (3.2 MW) surfaced 2,085 shp (1.6 MW) submerged
Speed	19.5 knots (36 km/h) surfaced 8.25 knots (15 km/h) submerged
Range	6,000 nautical miles (11,000 km) at 10 knots (19 km/h) 21,000 nautical miles (39,000 km) at 10 knots (19 km/h) with fuel in the main ballast tanks bunkerage 85,946–86,675 US gallons (325,340–328,100 L)
Endurance	10 hours at 5 knots (9.3 km/h), 36 hours at minimum speed submerged
Test depth	250 ft (76 m)
Complement	5 officers, 49 enlisted
Armament	6 × 21 inch (533 mm) torpedo tubes (four forward, two aft, 16 torpedoes) (two external bow torpedo tubes added 1942; total 18 torpedoes) 1 × 4 in (100 mm)/50 caliber deck gun two .30 cal (7.62 mm) machineguns