USS Pompano (SS-181)

	USS Pompano (SS-181) in San Francisco Bay, California, 1938
History
United States
Name	Pompano
Builder	Mare Island Naval Shipyard
Laid down	14 January 1936
Launched	11 March 1937
Commissioned	12 June 1937
Fate	Possibly struck a mine north of Honshū in September 1943
General characteristics
Class & type	Porpoise-class submarine
Displacement	1,350 long tons (1,370 t) standard, surfaced, 1,997 long tons (2,029 t) submerged
Length	298 ft 0 in (90.83 m) (waterline), 300 ft 6 in (91.59 m) (overall)
Beam	25 ft 7⁄8 in (7.6 m)
Draft	13 ft 9 in (4.19 m)
Propulsion	As Built: 4 × Hooven-Owens-Rentschler (H.O.R.) 8-cylinder double-acting diesel engines, 1,300 hp (970 kW) each, driving electrical generators, 2 × General Motors 6-241 four-cycle auxiliary diesels; Re-engined: 4 × Fairbanks-Morse Model 38D8+1⁄8 opposed piston diesels, 1,365 hp (1,018 kW) each; one Fairbanks-Morse Model 7-38A5+1⁄4 opposed piston auxiliary diesel, 2 × 120-cell Gould AMTX33HB batteries, 4 × high-speed Allis-Chalmers electric motors, 10,910 hp (8,140 kW) each, with 4.19:1 reduction gears, two shafts;
Speed	19.25 kn (35.65 km/h) surfaced, 8.75 kn (16.21 km/h) submerged
Range	11,000 nmi (20,000 km) @ 10 kn (19 km/h), (bunkerage 92,801 US gal (351,290 L)
Endurance	10 hours @ 5 kn (9.3 km/h), 36 hours @ minimum speed submerged
Test depth	250 ft (76 m)
Complement	As Built: 5 officers, 45 enlisted,; 1945: 8 officers, 65 enlisted;
Armament	6 × 21 in (530 mm) torpedo tubes (four forward, two aft; 16 torpedoes),; 1 × 4 in (102 mm)/50 cal deck gun,; 4 × 0.3 cal (7.62 mm) machineguns (2x2);

USS Pompano (SS-181), a United States Porpoise-class submarine, was the second ship of the United States Navy to be named for the pompano.

History
USS Pompano (SS-181) in San Francisco Bay, California, 1938
United States
Name	Pompano
Builder	Mare Island Naval Shipyard
Laid down	14 January 1936
Launched	11 March 1937
Commissioned	12 June 1937
Fate	Possibly struck a mine north of Honshū in September 1943
General characteristics
Class & type	Porpoise-class submarine
Displacement	1,350 long tons (1,370 t) standard, surfaced, 1,997 long tons (2,029 t) submerged
Length	298 ft 0 in (90.83 m) (waterline), 300 ft 6 in (91.59 m) (overall)
Beam	25 ft 7⁄8 in (7.6 m)
Draft	13 ft 9 in (4.19 m)
Propulsion	As Built: 4 × Hooven-Owens-Rentschler (H.O.R.) 8-cylinder double-acting diesel engines, 1,300 hp (970 kW) each, driving electrical generators, 2 × General Motors 6-241 four-cycle auxiliary diesels Re-engined: 4 × Fairbanks-Morse Model 38D8+1⁄8 opposed piston diesels, 1,365 hp (1,018 kW) each; one Fairbanks-Morse Model 7-38A5+1⁄4 opposed piston auxiliary diesel, 2 × 120-cell Gould AMTX33HB batteries, 4 × high-speed Allis-Chalmers electric motors, 10,910 hp (8,140 kW) each, with 4.19:1 reduction gears, two shafts
Speed	19.25 kn (35.65 km/h) surfaced, 8.75 kn (16.21 km/h) submerged
Range	11,000 nmi (20,000 km) @ 10 kn (19 km/h), (bunkerage 92,801 US gal (351,290 L)
Endurance	10 hours @ 5 kn (9.3 km/h), 36 hours @ minimum speed submerged
Test depth	250 ft (76 m)
Complement	As Built: 5 officers, 45 enlisted, 1945: 8 officers, 65 enlisted
Armament	6 × 21 in (530 mm) torpedo tubes (four forward, two aft; 16 torpedoes), 1 × 4 in (102 mm)/50 cal deck gun, 4 × 0.3 cal (7.62 mm) machineguns (2x2)