Sargo class submarine

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USS Sargo
Class overview
Builders: Electric Boat Company, Portsmouth Naval Shipyard, Mare Island Naval Shipyard[1]
Operators: United States Navy ensignUnited States Navy
Preceded by: Salmon class[2]
Succeeded by: Tambor class[2]
Built: 1937–1939[1]
In commission: 1939–1946[1]
Completed: 10[2]
Active: 0[2]
Lost: 4[2]
Retired: 6[2]
Preserved: 0[2]
General characteristics
Type: Composite diesel-hydraulic and diesel-electric (early) or full diesel-electric (late) submarine[2]
2,350 tons (2,388 t) submerged[3]
Length: 310 ft 6 in (94.6 m)[3]
Beam: 26 ft 10 in (8.2 m)[3]
Draft: 16 ft 7½ in – 16 ft 8 in (5.1 m)[3]
Propulsion:

4 × Hooven-Owens-Rentschler (H.O.R.) or General Motors diesel engines (two hydraulic-drive, two driving electrical generators in early boats, all driving electrical generators in late boats)[2][4]
2 × 126-cell Sargo batteries [3]
4 × high-speed General Electric electric motors with reduction gears[2]
two shafts [2]
5,200–5,500 shp (3.9–4.1 MW) surfaced[2]

2,740 shp (2.0 MW) submerged[2]
Speed: 20.8–21 knots (39 km/h) surfaced[3]
8.75 knots (16 km/h) submerged[3]
Range: 11,000 nautical miles (20,000 km) at 10 knots (19 km/h)[3]
Endurance: 48 hours at 2 knots (3.7 km/h) submerged[3]
Test depth: 250 ft (76 m)[3]
Complement: 5 officers, 54 enlisted[3]
Armament: 8 × 21-inch (533 mm) torpedo tubes
 (four forward, four aft)
 24 torpedoes [3]
1 × 3-inch (76 mm) / 50 caliber deck gun [3]
four machine guns

The Sargo class submarines were the first US submarines to be sent into action after the Japanese attack on Pearl Harbor. The class started war patrol the day after the Pearl Harbor attack. They were built between 1937 and 1939.

The Sargo class had a very active war sinking 73 ships as well as the aircraft carrier Chuyo and a Japanese submarine. The Chuyo was carrying 21 survivors from the US submarine USS Sculpin. 20 of these prisoners were killed. The Sargo class submarine USS Swordfish had the destinction of sinking the first Japanese ship sunk by US forces in World War Two.

After the Second World War, the class was moved into the training role before being scrapped.USS Searaven was used in the Bikini Atoll atomic weapon tests in 1946. There was negligible damage so she was later expended as a target. USS Sailfish was due to become a target in the same atomic weapon tests but she was scrapped instead in 1948.

[edit] References

  1. ^ a b c Friedman, Norman (1995). U.S. Submarines Through 1945: An Illustrated Design History. Annapolis, Maryland: United States Naval Institute, pp. 285–304. ISBN 1-55750-263-3. 
  2. ^ a b c d e f g h i j k l m Bauer, K. Jack; Roberts, Stephen S. (1991). Register of Ships of the U.S. Navy, 1775–1990: Major Combatants. Westport, Connecticut: Greenwood Press, pp. 269–270. ISBN 0-313-26202-0. 
  3. ^ a b c d e f g h i j k l m U.S. Submarines Through 1945 pp. 305–311
  4. ^ U.S. Submarines Through 1945 pp. 202–204
  • Submarines, War Beneath The Waves, From 1776 To The Present Day, By Robert Hutchinson
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