# USS Loggerhead

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Submarine of the United States

Loggerhead (SS-374), during sea trials on Lake Michigan, winter 1944. History United States Builder Manitowoc Shipbuilding Company, Manitowoc, Wisconsin[1] Laid down 1 April 1944[1] Launched 13 August 1944[1] Commissioned 9 February 1945[1] Decommissioned 16 June 1946[1] Stricken 30 June 1967[1] Fate Sold for scrap, 29 August 1969[1] General characteristics Class & type Balao class diesel-electric submarine[2] Displacement 1,526 tons (1,550 t) surfaced[2] 2,424 tons (2,463 t) submerged[2] Length 311 ft 9 in (95.02 m)[2] Beam 27 ft 3 in (8.31 m)[2] Draft 16 ft 10 in (5.13 m) maximum[2] Propulsion 4 × General Motors Model 16-278A V16 diesel engines driving electrical generators 2 × 126-cell Sargo batteries 4 × high-speed General Electric electric motors with reduction gears 2 × propellers 5,400 shp (4.0 MW) surfaced 2,740 shp (2.0 MW) submerged Speed 20.25 knots (38 km/h) surfaced[3] 8.75 knots (16 km/h) submerged[3] Range 11,000 nautical miles (20,000 km) surfaced at 10 knots (19 km/h)[3] Endurance 48 hours at 2 knots (3.7 km/h) submerged[3] 75 days on patrol Test depth 400 ft (120 m)[3] Complement 10 officers, 70–71 enlisted[3] Armament 10 × 21-inch (533 mm) torpedo tubes 6 forward, 4 aft 24 torpedoes[4] 1 × 5-inch (127 mm) / 25 caliber deck gun[4] Bofors 40 mm and Oerlikon 20 mm cannon

**USS *Loggerhead* (SS-374/AGSS-374)**, a [*Balao*-class](/source/Balao_class_submarine) [submarine](/source/Submarine), was a ship of the [United States Navy](/source/United_States_Navy) named for the [loggerhead](/source/Loggerhead_sea_turtle), *Caretta caretta*, a very large, carnivorous [sea turtle](/source/Sea_turtle) common in the warmer parts of the [Atlantic](/source/Atlantic_Ocean), [Pacific](/source/Pacific_Ocean), and [Indian Oceans](/source/Indian_Ocean).

*Loggerhead* (SS-374) was laid down on 1 April 1944 by [Manitowoc Shipbuilding Co.](/source/Manitowoc_Shipbuilding_Co.), [Manitowoc, Wisc.](/source/Manitowoc%2C_Wisc.); launched 13 August 1944; sponsored by Mrs. Barbara Fox; and commissioned on 9 February 1945.

*Loggerhead* emerged from the [Manitowoc River](/source/Manitowoc_River) into [Lake Michigan](/source/Lake_Michigan) on 1 March 1945 and headed via [Chicago](/source/Chicago) to [Lockport, Ill.](/source/Lockport%2C_Illinois), where she entered a [floating drydock](/source/Floating_drydock) and was towed down the [Mississippi River](/source/Mississippi_River). She arrived at [New Orleans](/source/New_Orleans) 7 March and departed 5 days later transiting the [Panama Canal](/source/Panama_Canal) and arriving at [Pearl Harbor](/source/Pearl_Harbor) on 8 April.

*Loggerhead*'s first war patrol started 15 May when she departed [Hawaii](/source/Hawaii) and headed via [Saipan](/source/Saipan) for the [Luzon Straits](/source/Luzon_Strait) and the [South China Sea](/source/South_China_Sea). Patrolling along the east coast of [Hainan Island](/source/Hainan_Island), she sighted an enemy hospital ship 11 June and allowed it to pass unharmed. Three days later, *Loggerhead* bombarded a suspected [radar](/source/Radar) installation at [Gap Rock](https://en.wikipedia.org/w/index.php?title=Gap_Rock&action=edit&redlink=1) south of [Hong Kong](/source/Hong_Kong), causing severe damage to the tower.

Much time was devoted to [lifeguard duty](/source/Lifeguard_League) during this patrol. Changing patrol areas and briefly stopping at [Subic Bay](/source/Subic_Bay) 1 July for fuel, the submarine headed for an assigned lifeguard station south of Hong Kong. She stopped numerous native boats, questioned their crews, and learned that the Japanese were commandeering all native boats in the ports which they controlled.

On 13 July the submarine fired five torpedoes at enemy ships in [Semarang Roadstead](https://en.wikipedia.org/w/index.php?title=Semarang_Roadstead&action=edit&redlink=1). The next day, the submarine headed for [Australia](/source/Australia), transiting [Lombok Straits](/source/Lombok_Strait) between [Bali](/source/Bali) and [Lombok Island](/source/Lombok_Island) during daylight on 14 July. While *Loggerhead* passed between these islands, the enemy shore batteries surprised her with hot fire. Evading the bursts of the Japanese shells through skillful maneuvers, *Loggerhead* escaped undamaged. She arrived at [Fremantle](/source/Fremantle%2C_Western_Australia) on 19 July.

The end of hostilities on 15 August found *Loggerhead* two days out of Fremantle heading for the [Gulf of Siam](/source/Gulf_of_Siam) on her second war patrol. She put in Subic Bay on 22 August, departed for the United States 31 August via Pearl Harbor, and arrived at [San Francisco](/source/San_Francisco) 22 September 1945. *Loggerhead* was decommissioned at [Mare Island Navy Yard](/source/Mare_Island_Navy_Yard) 16 June 1946 and was placed in the [Pacific Reserve Fleet](/source/Pacific_Reserve_Fleet).

In 1960 she was assigned as a US Naval Reserve Training Ship and towed to [Portland, Oregon](/source/Portland%2C_Oregon). In December 1962 she was reclassified an auxiliary submarine, **AGSS-374**, and she continued to serve as a reserve training submarine in Portland until 30 June 1967 when she was relieved by auxiliary submarine [*Rasher* (SS-269)](/source/USS_Rasher). Struck from the [Naval Vessel Register](/source/Naval_Vessel_Register) on the same date, *Loggerhead* was sold for scrap in early 1969.

## References

1. ^ [***a***](#cite_ref-FriedmanSubs1-dates_1-0) [***b***](#cite_ref-FriedmanSubs1-dates_1-1) [***c***](#cite_ref-FriedmanSubs1-dates_1-2) [***d***](#cite_ref-FriedmanSubs1-dates_1-3) [***e***](#cite_ref-FriedmanSubs1-dates_1-4) [***f***](#cite_ref-FriedmanSubs1-dates_1-5) [***g***](#cite_ref-FriedmanSubs1-dates_1-6) Friedman, Norman (1995). *U.S. Submarines Through 1945: An Illustrated Design History*. [Annapolis, Maryland](/source/Annapolis%2C_Maryland): [United States Naval Institute](/source/United_States_Naval_Institute). pp. 285–304. [ISBN](/source/ISBN_(identifier)) [1-55750-263-3](https://en.wikipedia.org/wiki/Special:BookSources/1-55750-263-3).

1. ^ [***a***](#cite_ref-Register_2-0) [***b***](#cite_ref-Register_2-1) [***c***](#cite_ref-Register_2-2) [***d***](#cite_ref-Register_2-3) [***e***](#cite_ref-Register_2-4) [***f***](#cite_ref-Register_2-5) Bauer, K. Jack; Roberts, Stephen S. (1991). *Register of Ships of the U.S. Navy, 1775-1990: Major Combatants*. [Westport, Connecticut](/source/Westport%2C_Connecticut): Greenwood Press. pp. 275–280. [ISBN](/source/ISBN_(identifier)) [0-313-26202-0](https://en.wikipedia.org/wiki/Special:BookSources/0-313-26202-0).

1. ^ [***a***](#cite_ref-FriedmanSubs1-specs_3-0) [***b***](#cite_ref-FriedmanSubs1-specs_3-1) [***c***](#cite_ref-FriedmanSubs1-specs_3-2) [***d***](#cite_ref-FriedmanSubs1-specs_3-3) [***e***](#cite_ref-FriedmanSubs1-specs_3-4) [***f***](#cite_ref-FriedmanSubs1-specs_3-5) *U.S. Submarines Through 1945* pp. 305-311

1. ^ [***a***](#cite_ref-FriedmanSubs1-specs_305–311_4-0) [***b***](#cite_ref-FriedmanSubs1-specs_305–311_4-1) *U.S. Submarines Through 1945* pp. 305–311

- *This article incorporates text from the [public domain](/source/Public_domain)*[Dictionary of American Naval Fighting Ships](/source/Dictionary_of_American_Naval_Fighting_Ships)*. The entries can be found [here](http://www.history.navy.mil/danfs/l7/loggerhead.htm) and [here](http://hazegray.org/danfs/submar/ss374.txt).*

## External links

- [Photo gallery](http://www.navsource.net/archives/08/08374.htm) of USS *Loggerhead* (SS-374) at NavSource Naval History

v t e The Manitowoc Company Subsidiaries Enodis Manitowoc Cranes Manitowoc Shipbuilding Company Products USCGC Dione USS Golet USS Guavina USS Guitarro USS Hammerhead USS Hardhead USS Hawkbill USS Icefish USS Jallao USS Kete USS Kraken USS Lagarto USS Lamprey USS Lizardfish USS Loggerhead USS Macabi USS Mapiro USS Menhaden USS Mero USS Peto USS Pogy USS Pompon USS Potomac USS Puffer USS Rasher USS Raton USS Ray USS Redfin USS Robalo USS Rock

v t e Balao-class submarines United States Navy Completed Balao Billfish Bowfin Cabrilla Capelin Cisco Crevalle Devilfish Dragonet Escolar Hackleback Lancetfish Ling Lionfish Manta Moray Roncador Sabalo Sablefish Seahorse Skate Tang Tilefish Apogon Aspro Batfish Archerfish Burrfish Perch Shark Sealion Barbel Barbero Baya Becuna Bergall Besugo Blackfin Caiman Blenny Blower Blueback Boarfish Charr Chub Brill Bugara Bullhead Bumper Cabezon Dentuda Capitaine Carbonero Carp Catfish Entemedor Chivo Chopper Clamagore Cobbler Cochino Corporal Cubera Cusk Diodon Dogfish Greenfish Halfbeak Hardhead Hawkbill Icefish Jallao Kete Kraken Lagarto Lamprey Lizardfish Loggerhead Macabi Mapiro Menhaden Mero Sand Lance Picuda Pampanito Parche Bang Pilotfish Pintado Pipefish Piranha Plaice Pomfret Sterlet Queenfish Razorback Redfish Ronquil Scabbardfish Segundo Sea Cat Sea Devil Sea Dog Sea Fox Atule Spikefish Sea Owl Sea Poacher Sea Robin Sennet Piper Threadfin Spadefish Trepang Spot Springer Stickleback Tiru Trumpetfish Tusk Canceled Dugong Eel Espada Jawfish Ono Garlopa Garrupa Goldring Needlefish Nerka Turbot Ulua Unicorn Vendace Walrus Whitefish Whiting Wolffish SS-438 – SS-463 (Unnamed) Chicolar SS-465 – SS-474 (Unnamed) SS-530 – SS-536 (Unnamed) Other operators Argentine Navy Santa Fe (S-11) (ex-Macabi) Santa Fe (S-21) (ex-Catfish) Santiago del Estero (S-12) (ex-Lamprey) Santiago del Estero (S-22) (ex-Chivo) Brazilian Navy Amazonas (ex-Greenfish) Bahia (ex-Plaice) Goias (ex-Trumpetfish) Guanabara (ex-Dogfish) Rio Grande do Sul (ex-Sand Lance) Royal Canadian Navy Grilse (ex-Burrfish) Chilean Navy Thomson (ex-Springer) Simpson (ex-Spot) Republic of China Navy part of Hai Shih class Hai Pao (ex-Tusk) Hellenic Navy Papanikolis (ex-Hardhead) Triaina (ex-Scabbardfish) Marina Militare Alfredo Cappellini (ex-Capitaine) Evangelista Torricelli (ex-Lizardfish) Francesco Morosini (ex-Besugo) Royal Netherlands Navy Walrus class Walrus (ex-Icefish) Zeeleeuw (ex-Hawkbill) Peruvian Navy La Pedrera (ex-Sea Poacher) Pacocha (ex-Atule) Spanish Navy Almirante García de los Reyes (ex-Kraken) Cosme García (ex-Bang) Isaac Peral (ex-Ronquil) Narcíso Monturiol (S33) (ex-Picuda) Narcíso Monturiol (S35) (ex-Jallao) Turkish Navy 1. İnönü (S330) (ex-Brill) 1. İnönü (S346) (ex-Threadfin) 2. İnönü (S331) (ex-Blueback) 2. İnönü (S333) (ex-Corporal) Burakreis (ex-Sea Fox) Çanakkale (S333) (ex-Bumper) Çanakkale (S341) (ex-Cobbler) Dumlupınar (D6) (ex-Blower) Dumlupınar (S339) (ex-Caiman) Gür (ex-Chub) Hızırreis (ex-Mero) Muratreis (ex-Razorback) Oruçreis (ex-Pomfret) Pirireis (ex-Mapiro) Preveze (ex-Entemedor) Sakarya (ex-Boarfish) Turgutreis (ex-Bergall) Bolivarian Navy of Venezuela Carite (ex-Tilefish) Tiburon (ex-Cubera) Preceded by: Gato class Followed by: Tench class List of submarines of the United States Navy List of submarine classes of the United States Navy

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Adapted from the Wikipedia article [USS Loggerhead](https://en.wikipedia.org/wiki/USS_Loggerhead) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/USS_Loggerhead?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.