USS Cochino

	USS Cochino (SS-345), leaving Portsmouth, England, for the Barents Sea, c. July 1949.
History
United States
Name	Cochino
Namesake	The Cuban name of triggerfish Balistes vetula
Builder	Electric Boat Company, Groton, Connecticut
Laid down	13 April 1944
Launched	20 April 1945
Commissioned	25 August 1945
Identification	Hull symbol: SS-345; Call sign: NJEG; ;
Fate	Lost at sea, 26 August 1949
General characteristics (As built)
Class & type	Balao-class diesel-electric submarine
Displacement	1,526 long tons (1,550 t) surfaced; 2,424 long tons (2,463 t) submerged;
Length	311 ft 9 in (95.02 m)
Beam	27 ft 3 in (8.31 m)
Draft	16 ft 10 in (5.13 m) maximum
Propulsion	4 × General Motors Model 16-278A V16 diesel engines driving electrical generators; 2 × 126-cell Sargo batteries; 4 × high-speed General Electric electric motors with reduction gears; 2 × propellers; 5,400 shp (4.0 MW) surfaced; 2,740 shp (2.0 MW) submerged;
Speed	20.25 kn (37.50 km/h; 23.30 mph) surfaced; 8.75 kn (16.21 km/h; 10.07 mph) submerged;
Range	11,000 nmi (13,000 mi; 20,000 km) surfaced at 10 kn (19 km/h; 12 mph)
Endurance	48 hours at 2 kn (3.7 km/h; 2.3 mph) submerged; 75 days on patrol;
Test depth	400 feet (120 m)
Complement	10 officers, 70–71 enlisted
Armament	10 × 21-inch (533 mm) torpedo tubes; 6 forward, 4 aft; 24 torpedoes; 1 × 4-inch (102 mm) / 50 caliber deck gun; Bofors 40 mm and Oerlikon 20 mm cannon;
General characteristics (Guppy II)
Displacement	1,870 long tons (1,900 t) surfaced; 2,440 long tons (2,480 t) submerged;
Length	307 ft (94 m)
Beam	27 ft 4 in (8.33 m)
Draft	17 ft (5.2 m)
Propulsion	Batteries upgraded to GUPPY type, capacity expanded to 504 cells (1 × 184 cell, 1 × 68 cell, and 2 × 126 cell batteries); 4 × high-speed electric motors replaced with 2 × low-speed direct drive electric motors;
Speed	Surfaced:; 18 kn (33 km/h; 21 mph) maximum; 13.5 kn (25.0 km/h; 15.5 mph) cruising; Submerged:; 16 kn (30 km/h; 18 mph) for ½ hour; 9 kn (17 km/h; 10 mph) snorkeling; 3.5 kn (6.5 km/h; 4.0 mph) cruising;
Range	15,000 nmi (17,000 mi; 28,000 km) surfaced at 11 kn (20 km/h; 13 mph)
Endurance	48 hours at 4 kn (7.4 km/h; 4.6 mph) submerged
Complement	9–10 officers; 5 petty officers; 70 enlisted men;
Sensors &; processing systems	WFA active sonar; JT passive sonar; Mk 106 torpedo fire control system;
Armament	10 × 21 inch (533 mm) torpedo tubes (six forward, four aft)
Notes	Snorkel added

USS Cochino (SS-345) was a Balao-class submarine in service with the United States Navy from 1945 to 1949. She sank after a battery explosion off Norway, on 26 August 1949. Cochino was named for the cochino, a triggerfish found in the Atlantic.

History
USS Cochino (SS-345), leaving Portsmouth, England, for the Barents Sea, c. July 1949.
United States
Name	Cochino
Namesake	The Cuban name of triggerfish Balistes vetula
Builder	Electric Boat Company, Groton, Connecticut
Laid down	13 April 1944
Launched	20 April 1945
Commissioned	25 August 1945
Identification	Hull symbol: SS-345 Call sign: NJEG
Fate	Lost at sea, 26 August 1949
General characteristics (As built)
Class & type	Balao-class diesel-electric submarine
Displacement	1,526 long tons (1,550 t) surfaced 2,424 long tons (2,463 t) submerged
Length	311 ft 9 in (95.02 m)
Beam	27 ft 3 in (8.31 m)
Draft	16 ft 10 in (5.13 m) maximum
Propulsion	4 × General Motors Model 16-278A V16 diesel engines driving electrical generators 2 × 126-cell Sargo batteries 4 × high-speed General Electric electric motors with reduction gears 2 × propellers 5,400 shp (4.0 MW) surfaced 2,740 shp (2.0 MW) submerged
Speed	20.25 kn (37.50 km/h; 23.30 mph) surfaced 8.75 kn (16.21 km/h; 10.07 mph) submerged
Range	11,000 nmi (13,000 mi; 20,000 km) surfaced at 10 kn (19 km/h; 12 mph)
Endurance	48 hours at 2 kn (3.7 km/h; 2.3 mph) submerged 75 days on patrol
Test depth	400 feet (120 m)
Complement	10 officers, 70–71 enlisted
Armament	10 × 21-inch (533 mm) torpedo tubes 6 forward, 4 aft 24 torpedoes 1 × 4-inch (102 mm) / 50 caliber deck gun Bofors 40 mm and Oerlikon 20 mm cannon
General characteristics (Guppy II)
Displacement	1,870 long tons (1,900 t) surfaced 2,440 long tons (2,480 t) submerged
Length	307 ft (94 m)
Beam	27 ft 4 in (8.33 m)
Draft	17 ft (5.2 m)
Propulsion	Batteries upgraded to GUPPY type, capacity expanded to 504 cells (1 × 184 cell, 1 × 68 cell, and 2 × 126 cell batteries) 4 × high-speed electric motors replaced with 2 × low-speed direct drive electric motors
Speed	Surfaced: 18 kn (33 km/h; 21 mph) maximum 13.5 kn (25.0 km/h; 15.5 mph) cruising Submerged: 16 kn (30 km/h; 18 mph) for ½ hour 9 kn (17 km/h; 10 mph) snorkeling 3.5 kn (6.5 km/h; 4.0 mph) cruising
Range	15,000 nmi (17,000 mi; 28,000 km) surfaced at 11 kn (20 km/h; 13 mph)
Endurance	48 hours at 4 kn (7.4 km/h; 4.6 mph) submerged
Complement	9–10 officers 5 petty officers 70 enlisted men
Sensors & processing systems	WFA active sonar JT passive sonar Mk 106 torpedo fire control system
Armament	10 × 21 inch (533 mm) torpedo tubes (six forward, four aft)
Notes	Snorkel added