SS-322 USS Blackfin

Class and type: Balao-class diesel-electric submarine
Builder: Electric Boat Company, Groton, CT
Laid down: 10 Jun 1943
Launched: 12 Mar 1944
Commissioned: 4 Jul 1944
Decommissioned: 19 Nov 1948
Recommissioned: 15 May 1951
Decommissioned: 15 Sep 1972
Struck: 15 Sep 1972
Fate: Sunk as target off San Diego, CA, 13 May 1973
Displacement:
1,526 long 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 × 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 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 IA)
Displacement:
1,830 tons (1,859 t) surfaced
2,440 tons (2,479 t) submerged
Length. 307 ft 7 in (93.75 m)
Beam. 27 ft 4 in (8.33 m)
Draft. 17 ft (5.2 m)
Propulsion:
Snorkel added
Batteries upgraded to Sargo II
Speed:
Surfaced:
17.3 knots (32.0 km/h) maximum
12.5 knots (23.2 km/h) cruising
Submerged:
15.0 knots (27.8 km/h) for ½ hour
7.5 knots (13.9 km/h) snorkeling
3.0 knots (5.6 km/h) cruising
Range. 17,000 nmi (31,000 km) surfaced at 11 knots (20 km/h)
Endurance. 36 hours at 3 knots (6 km/h) submerged
Complement:
10 officers
5 petty officers
64–69 enlisted men
Armament:
10 × 21 inch (533 mm) torpedo tubes (six forward, four aft)
all guns removed