USS Entemedor (SS-340)
Encyclopedia
USS Entemedor (SS-340), a Balao-class
Balao class submarine
The Balao class was a successful design of United States Navy submarine used during World War II, and with 122 units built, the largest class of submarines in the United States Navy. An improvement on the earlier Gato class, the boats had slight internal differences...

 submarine
Submarine
A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which has more limited underwater capability...

, was a ship of the United States Navy
United States Navy
The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 named for the entemedor, a fish of the electric ray
Electric ray
The electric rays are a group of rays, flattened cartilaginous fish with enlarged pectoral fins, comprising the order Torpediniformes. They are known for being capable of producing an electric discharge, ranging from as little as 8 volts up to 220 volts depending on species, used to stun prey and...

 family found in shallow waters from Baja California
Baja California
Baja California officially Estado Libre y Soberano de Baja California is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is both the northernmost and westernmost state of Mexico. Before becoming a state in 1953, the area was known as the North...

 to Panama
Panama
Panama , officially the Republic of Panama , is the southernmost country of Central America. Situated on the isthmus connecting North and South America, it is bordered by Costa Rica to the northwest, Colombia to the southeast, the Caribbean Sea to the north and the Pacific Ocean to the south. The...

.

SS-340, originally named Chickwick, was renamed Entemedor on 24 September 1942 and launched on 17 December 1944 by Electric Boat
Electric boat
While a significant majority of water vessels are powered by diesel engines, with sail power and gasoline engines also remaining popular, boats powered by electricity have been used for over 120 years. Electric boats were very popular from the 1880s until the 1920s, when the internal combustion...

 Co., Groton, Conn.; sponsored by Mrs. E. V. Izac; and commissioned on 6 April 1945, Lieutenant Commander
Lieutenant Commander
Lieutenant Commander is a commissioned officer rank in many navies. The rank is superior to a lieutenant and subordinate to a commander...

 W. R. Smith, Jr. in command.

World War II

Entemedor reached Pearl Harbor
Pearl Harbor
Pearl Harbor, known to Hawaiians as Puuloa, is a lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. Much of the harbor and surrounding lands is a United States Navy deep-water naval base. It is also the headquarters of the U.S. Pacific Fleet...

 on 29 June 1945 from New London
Naval Submarine Base New London
Naval Submarine Base New London is the United States Navy's primary submarine base, the "Home of the Submarine Force", and "the Submarine Capital of the World".-History:...

, en route to Midway Atoll
Midway Atoll
Midway Atoll is a atoll in the North Pacific Ocean, near the northwestern end of the Hawaiian archipelago, about one-third of the way between Honolulu, Hawaii, and Tokyo, Japan. Unique among the Hawaiian islands, Midway observes UTC-11 , eleven hours behind Coordinated Universal Time and one hour...

 for advanced training and to prepare for war patrols. She put to sea on her first war patrol on 24 July, and served as lifeguard for air strikes on Marcus Island before sailing on to patrol off Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. When hostilities ceased, she was ordered to Saipan
Saipan
Saipan is the largest island of the United States Commonwealth of the Northern Mariana Islands , a chain of 15 tropical islands belonging to the Marianas archipelago in the western Pacific Ocean with a total area of . The 2000 census population was 62,392...

, where she arrived 17 August.

Post-War

The submarine returned to Seattle on 22 September 1945, and began a program of training operations along the west coast from San Diego. In 1946-1947, she made extended cruises in the Far East, basing at Subic Bay
Subic Bay
Subic Bay is a bay forming part of Luzon Sea on the west coast of the island of Luzon in Zambales, Philippines, about 100 kilometers northwest of Manila Bay. Its shores were formerly the site of a major United States Navy facility named U.S...

. She was decommissioned and placed in reserve at Mare Island Naval Shipyard
Mare Island Naval Shipyard
The Mare Island Naval Shipyard was the first United States Navy base established on the Pacific Ocean. It is located 25 miles northeast of San Francisco in Vallejo, California. The Napa River goes through the Mare Island Strait and separates the peninsula shipyard from the main portion of the...

 on 10 December 1948.

Recommissioned on 24 October 1950, Entemedor trained off the coast of California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, and on 2 January 1951 sailed for New London and through the remainder of the year operated in the Atlantic. On 31 January 1952, she entered the Electric Boat Co.'s yard for an extensive GUPPY IIA modernization, was placed in commission in reserve on 28 February 1952, and returned to active status 17 October 1952.

Every second year beginning in 1953, Entemedor deployed to the Mediterranean
Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land: on the north by Anatolia and Europe, on the south by North Africa, and on the east by the Levant...

 to serve with the 6th Fleet, and from her home port at New London also sailed for a midshipman cruise to northern Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

an ports in the summer of 1958, and the Isle of Portland
Isle of Portland
The Isle of Portland is a limestone tied island, long by wide, in the English Channel. Portland is south of the resort of Weymouth, forming the southernmost point of the county of Dorset, England. A tombolo over which runs the A354 road connects it to Chesil Beach and the mainland. Portland and...

, England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, in February 1960. Her stateside operations included participation in large-scale exercises off the east coast and in the Caribbean, and serving as target for Task Force "Alfa", in development of antisubmarine warfare techniques. Through 1962 she continued to operate from New London.

Turkish Navy

Entemedor was decommissioned and struck from the Naval Vessel Register
Naval Vessel Register
The Naval Vessel Register is the official inventory of ships and service craft in custody of or titled by the United States Navy. It contains information on ships and service craft that make up the official inventory of the Navy from the time a vessel is authorized through its life cycle and...

 on 31 July 1972. She was transferred (sold) to Turkey
Turkey
Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

 - under the terms of the Security Assistance Act- on 24 August 1973, renamed TCG Preveze (S 345), the second submarine of that name. She was decommissioned and struck from the Turkish Naval
Turkish Navy
The Turkish Navy is the naval warfare service branch of the Turkish Armed Forces.- Ottoman fleet after Mudros :Following the demise of the Ottoman Empire in the aftermath of World War I, on November 3, 1918, the fleet commander of the Ottoman Navy, Liva Amiral Arif Pasha, ordered all flags to be...

rolls in 1987.
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