SS-416 USS Tiru

Namesake. The Tiru, a member of the lizardfish family
Builder Mare Island Naval Shipyard, Vallejo, CA
Laid down. 17 Apr 1944
Launched. 16 Sep 1947
Commissioned. 1 Sep 1948
Decommissioned. 1 Jul 1975
Stricken. 1 Jul 1975
Fate. Sunk as a target off Cape Hatteras, North Carolina, 19 Jul 1979
General characteristics (Completed as GUPPY II)
Class and type. Balao-class diesel-electric submarine
Displacement:
1,870 tons (1,900 t) surfaced
2,440 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:
3 × Fairbanks-Morse Model 38D8-⅛ 10-cylinder opposed piston diesel engines, equipped with a snorkel, driving electrical generators
1 × 184 cell, 1 × 68 cell, and 2 × 126 cell GUPPY-type batteries (total 504 cells)
2 × low-speed direct-drive General Electric electric motors
two propellers
Speed. 18.0 knots (20.7 mph; 33.3 km/h) maximum, 13.5 knots (15.5 mph; 25.0 km/h) cruising (Surfaced); 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 (Submerged)
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
Test depth. 400 ft (120 m)
Complement. 9–10 officers, 5 petty officers, 70 enlisted men
Sensors and 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)

General characteristics (Guppy III)
Displacement:
1,975 tons (2,007 t) surfaced
2,450 tons (2,489 t) submerged
Length. 319 ft 6 in (97.38 m)
Beam. 27 ft 4 in (8.33 m)
Draft. 17 ft (5.2 m)
Speed. 17.2 knots (31.9 km/h) maximum, 12.2 knots (22.6 km/h) cruising (Surfaced); 14.5 knots (26.9 km/h) for ½ hour, 6.2 knots (11.5 km/h) snorkeling, 3.7 knots (6.9 km/h) cruising (Submerged)
Range. 15,900 nautical miles (29,400 km; 18,300 mi) surfaced at 8.5 knots (10 mph; 16 km/h)
Endurance. 36 hours at 3 knots (6 km/h) submerged
Complement. 8–10 officers, 5 petty officers, 70-80 enlisted men
Sensors and processing systems:
BQS-4 active search sonar
BQR-2B passive search sonar
BQG-4 passive attack sonar