USS Plaice

History
United States
Name	USS Plaice (SS-390)
Builder	Portsmouth Naval Shipyard, Kittery, Maine[1]
Laid down	28 June 1943[1]
Launched	15 November 1943[1]
Commissioned	12 February 1944[1]
Decommissioned	November 1947[1]
Recommissioned	18 May 1963[1]
Decommissioned	7 September 1963[1]
Stricken	1 April 1973[2]
Fate	Transferred to Brazil, 7 September 1963[2]
History
Brazil
Name	Bahia (S-12)
Acquired	7 September 1963
Decommissioned	19 January 1973
Fate	Scrapped 1973
General characteristics
Class and type	Balao-class diesel-electric submarine[2]
Displacement	1,526 long tons (1,550 t) surfaced[2] 2,391 long tons (2,429 t) submerged[2]
Length	311 ft 6 in (94.95 m)[2]
Beam	27 ft 3 in (8.31 m)[2]
Draft	16 ft 10 in (5.13 m) maximum[2]
Propulsion	4 × Fairbanks-Morse Model 38D8-⅛ 10-cylinder opposed piston diesel engines driving electrical generators[3][4] 2 × 126-cell Sargo batteries[5] 4 × high-speed Elliott electric motors with reduction gears[3] two propellers [3] 5,400 shp (4.0 MW) surfaced[3] 2,740 shp (2.0 MW) submerged[3]
Speed	20.25 knots (38 km/h) surfaced[6] 8.75 knots (16 km/h) submerged[6]
Range	11,000 nautical miles (20,000 km) surfaced at 10 knots (19 km/h)[6]
Endurance	48 hours at 2 knots (3.7 km/h) submerged[6] 75 days on patrol
Test depth	400 ft (120 m)[6]
Complement	10 officers, 70–71 enlisted[6]
Armament	10 × 21-inch (533 mm) torpedo tubes 6 forward, 4 aft 24 torpedoes[5] 1 × 5-inch (127 mm) / 25 caliber deck gun[5] Bofors 40 mm and Oerlikon 20 mm cannon

USS Plaice (SS-390), a Balao-class submarine, was a ship of the United States Navy named for the plaice, one of the various American flatfish; summer flounder. She participated in the Pacific War campaign of World War II, receiving six battle stars for her service. The United States later transferred her to Brazil in a joint cooperation program.