USS Halfbeak

History
United States
Name	USS Halfbeak
Builder	Electric Boat Company, Groton, Connecticut
Laid down	6 July 1944
Launched	19 February 1946
Commissioned	22 July 1946
Decommissioned	1 July 1971
Stricken	1 July 1971
Fate	Sold for scrap, 13 June 1972
General characteristics
Class & type	Balao-class diesel-electric submarine
Displacement	1,526 tons (1,550 t) surfaced; 2,424 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 × Fairbanks-Morse Model 38D8-⅛ 10-cylinder opposed piston diesel engines driving electrical generators; 2 × 126-cell Sargo batteries; 4 × high-speed Elliott electric motors with reduction gears; two propellers ; 5,400 shp (4.0 MW) surfaced; 2,740 shp (2.0 MW) submerged;
Speed	20.25 knots (38 km/h) surfaced; 8.75 knots (16 km/h) submerged;
Range	11,000 nautical miles (20,000 km) surfaced at 10 knots (19 km/h)
Endurance	48 hours at 2 knots (3.7 km/h) submerged; 75 days on patrol;
Test depth	400 ft (120 m)
Complement	10 officers, 70–71 enlisted
Armament	10 × 21-inch (533 mm) torpedo tubes; 6 forward, 4 aft; 24 torpedoes; 1 × 5-inch (127 mm) / 25 caliber deck gun; Bofors 40 mm and Oerlikon 20 mm cannon;
General characteristics (Guppy II)
Class & type	none
Displacement	1,870 tons (1,900 t) surfaced; 2,440 tons (2,480 t) submerged;
Length	307 ft (93.6 m)
Beam	27 ft 4 in (7.4 m)
Draft	17 ft (5.2 m)
Propulsion	Snorkel added; 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:; 18.0 knots (20.7 mph; 33.3 km/h) maximum; 13.5 knots (15.5 mph; 25.0 km/h) cruising; Submerged:; 16.0 knots (18.4 mph; 29.6 km/h) for ½ hour; 9.0 knots (10.4 mph; 16.7 km/h) snorkeling; 3.5 knots (4.0 mph; 6.5 km/h) cruising;
Range	15,000 nm (28,000 km) surfaced at 11 knots (13 mph; 20 km/h)
Endurance	48 hours at 4 knots (5 mph; 7 km/h) 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); all guns removed;

USS Halfbeak (SS-352), a Balao-class submarine, was a ship of the United States Navy named for the halfbeak.

History

United States
Name	USS Halfbeak
Builder	Electric Boat Company, Groton, Connecticut
Laid down	6 July 1944
Launched	19 February 1946
Commissioned	22 July 1946
Decommissioned	1 July 1971
Stricken	1 July 1971
Fate	Sold for scrap, 13 June 1972
General characteristics
Class & type	Balao-class diesel-electric submarine
Displacement	1,526 tons (1,550 t) surfaced 2,424 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 × Fairbanks-Morse Model 38D8-⅛ 10-cylinder opposed piston diesel engines driving electrical generators 2 × 126-cell Sargo batteries 4 × high-speed Elliott electric motors with reduction gears two propellers 5,400 shp (4.0 MW) surfaced 2,740 shp (2.0 MW) submerged
Speed	20.25 knots (38 km/h) surfaced 8.75 knots (16 km/h) submerged
Range	11,000 nautical miles (20,000 km) surfaced at 10 knots (19 km/h)
Endurance	48 hours at 2 knots (3.7 km/h) submerged 75 days on patrol
Test depth	400 ft (120 m)
Complement	10 officers, 70–71 enlisted
Armament	10 × 21-inch (533 mm) torpedo tubes 6 forward, 4 aft 24 torpedoes 1 × 5-inch (127 mm) / 25 caliber deck gun Bofors 40 mm and Oerlikon 20 mm cannon
General characteristics (Guppy II)
Class & type	none
Displacement	1,870 tons (1,900 t) surfaced 2,440 tons (2,480 t) submerged
Length	307 ft (93.6 m)
Beam	27 ft 4 in (7.4 m)
Draft	17 ft (5.2 m)
Propulsion	Snorkel added 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: 18.0 knots (20.7 mph; 33.3 km/h) maximum 13.5 knots (15.5 mph; 25.0 km/h) cruising Submerged: 16.0 knots (18.4 mph; 29.6 km/h) for ½ hour 9.0 knots (10.4 mph; 16.7 km/h) snorkeling 3.5 knots (4.0 mph; 6.5 km/h) cruising
Range	15,000 nm (28,000 km) surfaced at 11 knots (13 mph; 20 km/h)
Endurance	48 hours at 4 knots (5 mph; 7 km/h) 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) all guns removed