SS-405 USS Sea Owl

Namesake. The Sea Owl, a lumpfish of the North Atlantic Ocean
Builder: Portsmouth Naval Shipyard, Kittery, ME
Laid down. 7 Feb 1944
Launched. 7 May 1944
Commissioned. 17 Jul 1944
Decommissioned. 15 Nov 1969
Stricken. 15 Nov 1969
Fate. Sold for scrap, 3 Jun 1971
Class and type. Balao class diesel-electric submarine
Displacement:
1,526 long tons (1,550 t) surfaced
2,391 tons (2,429 t) submerged
Length. 311 ft 6 in (94.95 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 kn (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