SS-425 USS Trumpetfish

Namesake. The trumpetfish, several any of fish so-called for their deep, compressed body and long, tubular snout
Builder. Cramp Shipbuilding Company, Philadelphia, PA
Laid down. 23 Aug 1943
Launched. 13 May 1945
Commissioned. 29 Jan 1946
Decommissioned. 15 Oct 1973
Stricken . 15 Oct 1973
Fate. Transferred to Brazil, 15 Oct 1973
Class and 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 × Fairbanks-Morse Model 38D8-⅛ 10-cylinder opposed piston diesel engines driving electrical generators
2 × 126-cell Sargo batteries
2 × low-speed direct-drive Elliott electric motors
two propellers
5,400 shp (4.0 MW) surfaced
2,740 shp (2.0 MW) submerged
Speed. 20.25 knots (37.50 km/h) surfaced; 8.75 knots (16.21 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 feet (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)
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:
Snorkel added
Batteries upgraded to GUPPY type, capacity expanded to 504 cells (1 × 184 cell, 1 × 68 cell, and 2 × 126 cell batteries)
Speed. 18.0 knots (33.3 km/h) maximum, 13.5 knots (25.0 km/h) cruising (Surfaced); 16.0 knots (29.6 km/h) for ½ hour, 9.0 knots (16.7 km/h) snorkeling, 3.5 knots (6.5 km/h) cruising (Submerged)
Range. 15,000 nautical miles (28,000 km) surfaced at 11 knots (20 km/h)
Endurance. 48 hours at 4 knots (7.4 km/h) submerged
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)
all guns removed

General characteristics (Guppy III)
Displacement:
1,975 long tons (2,007 t) surfaced
2,450 long tons (2,490 t) submerged
Length. 321 ft (98 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) surfaced at 8.5 knots (15.7 km/h)
Endurance. 36 hours at 3 knots (5.6 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