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USS Tiru
Submarine of the United States / From Wikipedia, the free encyclopedia
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USS Tiru (SS-416), a Balao-class submarine, was a vessel of the United States Navy named for the tiru, a member of the lizardfish family.
![]() USS Tiru after Greater Underwater Propulsion Power Program (GUPPY III) conversion. | |
History | |
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Name | USS Tiru |
Builder | Mare Island Naval Shipyard[1] |
Laid down | 17 April 1944[1] |
Launched | 16 September 1947[1] |
Commissioned | 1 September 1948[1] |
Decommissioned | 1 July 1975[1] |
Stricken | 1 July 1975[1] |
Fate | Sunk as a target off Cape Hatteras, North Carolina, 19 July 1979[2] |
General characteristics (Completed as GUPPY II) | |
Class and type | Balao-class diesel-electric submarine[2] |
Displacement | |
Length | 307 ft (94 m) [4] |
Beam | 27 ft 4 in (8.33 m) [4] |
Draft | 17 ft (5.2 m) [4] |
Propulsion |
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Speed |
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Range | 15,000 nm (28,000 km) surfaced at 11 knots (13 mph; 20 km/h) [4] |
Endurance | 48 hours at 4 knots (5 mph; 7 km/h) submerged [4] |
Test depth | 400 ft (120 m) [6] |
Complement |
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Sensors and processing systems |
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Armament |
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General characteristics (Guppy III) | |
Class and type | none |
Displacement | |
Length | 319 ft 6 in (97.38 m)[4] |
Beam | 27 ft 4 in (8.33 m)[4] |
Draft | 17 ft (5.2 m)[4] |
Speed |
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Range | 15,900 nautical miles (29,400 km; 18,300 mi) surfaced at 8.5 knots (10 mph; 16 km/h)[4] |
Endurance | 36 hours at 3 knots (6 km/h) submerged[4] |
Complement |
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Sensors and processing systems |
Tiru—laid down on 17 April 1944 at Vallejo, California, by the Mare Island Navy Yard—remained uncompleted for three years as a result of the curtailment of the submarine building program at the end of World War II. In the fall of 1947, the Navy decided to complete Tiru as a "GUPPY II" (Greater Underwater Propulsive Power) snorkel boat. Her altered design incorporated improvements resulting from the Navy's recent combat experience and German technical development.
Tiru was launched on 16 September 1947; sponsored by Mrs. John P. Cromwell, the widow of Captain John P. Cromwell, and commissioned on 1 September 1948. Tiru was once under the command of future FBI Director L. Patrick Gray of Watergate notoriety.