USS Pickerel (SS-524)
Encyclopedia
USS Pickerel (SS-524), a Tench-class submarine
Tench class submarine
Tench-class submarines were a type of submarine built for the United States Navy between 1944 and 1951. They were an evolutionary improvement over the Gato and Balao classes, only about 35 to 40 tons larger, but more strongly built and with a slightly improved internal layout...

, was the second 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...

 to be named for a young or small pike. The contract to build her was awarded to the Boston Naval Shipyard and her keel was laid down on 8 February 1944. She was launched
Ship naming and launching
The ceremonies involved in naming and launching naval ships are based in traditions thousands of years old.-Methods of launch:There are three principal methods of conveying a new ship from building site to water, only two of which are called "launching." The oldest, most familiar, and most widely...

 without a christening ceremony on 15 December 1944. After being towed to the Portsmouth Naval Shipyard
Portsmouth Naval Shipyard
The Portsmouth Naval Shipyard , often called the Portsmouth Navy Yard, is a United States Navy shipyard located in Kittery on the southern boundary of Maine near the city of Portsmouth, New Hampshire. It is used for remodeling and repairing the Navy's ships...

 in Kittery, Maine
Kittery, Maine
Kittery is a town in York County, Maine, United States. The population was 9,543 at the 2000 census. Home to the Portsmouth Naval Shipyard on Seavey's Island, Kittery includes Badger's Island, the seaside district of Kittery Point, and part of the Isles of Shoals...

 for completion, she was simultaneously christened
Ship naming and launching
The ceremonies involved in naming and launching naval ships are based in traditions thousands of years old.-Methods of launch:There are three principal methods of conveying a new ship from building site to water, only two of which are called "launching." The oldest, most familiar, and most widely...

 and commissioned
Ship commissioning
Ship commissioning is the act or ceremony of placing a ship in active service, and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to the placing of a warship in active duty with its country's military...

 on 4 April 1949 sponsored by Mrs. John R. Moore and commanded by Lieutenant Commander Paul R. Schratz.

Early service

After sea trials, Pickerel departed New London, Connecticut
New London, Connecticut
New London is a seaport city and a port of entry on the northeast coast of the United States.It is located at the mouth of the Thames River in New London County, southeastern Connecticut....

, on 10 August, and headed for Hawaii
Hawaii
Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

 via East and Gulf coast ports, and the Panama Canal
Panama Canal
The Panama Canal is a ship canal in Panama that joins the Atlantic Ocean and the Pacific Ocean and is a key conduit for international maritime trade. Built from 1904 to 1914, the canal has seen annual traffic rise from about 1,000 ships early on to 14,702 vessels measuring a total of 309.6...

 and arrived 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 28 September where she joined SubDiv 11.

From 16 March to 5 April 1950, Pickerel completed a 5200 miles (8,368.6 km) voyage from Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 to Pearl Harbor in 21 days while completely submerged, probably the longest distance ever traveled by a submerged diesel-electric submarine. During her first deployment in the Western Pacific in 1950, Pickerel spent four months in the Korean War
Korean War
The Korean War was a conventional war between South Korea, supported by the United Nations, and North Korea, supported by the People's Republic of China , with military material aid from the Soviet Union...

 zone, one of the first 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...

s to enter the Korean War.

Returning to Pearl Harbor in the spring of 1951, Pickerel operated in the Hawaiian area undergoing tests of maximum capabilities, and conducting intensive training until she returned to the Far East in July 1953.

Upon returning to Hawaii early in 1954, Pickerel resumed service for our aircraft and surface anti-submarine forces there and, but for overhaul, continued this important duty until returning to the Western Pacific in June 1955. She returned to Hawaii 1 December.

1960's

Pickerel alternated North Pacific with WestPac duty through 1963 with the exception of a conversion period during 1962 for GUPPY III modernization.

Pickerel operated out of Pearl Harbor during 1964 until 28 December, when she departed en route Yokosuka to begin a WestPac tour as a unit of the Seventh Fleet. In the years that followed, she continued this pattern of alternating services in Hawaii with deployments in the Far East. In the fall of 1966, her duties in WestPac were broadened to include operations in the Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

 combat zone on Yankee Station
Yankee Station
Yankee Station was a point in the Gulf of Tonkin off the coast of Vietnam used by the U.S. Navy aircraft carriers of Task Force 77 to launch strikes in the Vietnam War. While its official designation was "Point Yankee," it was universally referred to as Yankee Station...

.

After a year in Hawaiian waters, Pickerel headed west once more on 16 January 1968. She visited various ports of the Orient before returning to Yankee Station
Yankee Station
Yankee Station was a point in the Gulf of Tonkin off the coast of Vietnam used by the U.S. Navy aircraft carriers of Task Force 77 to launch strikes in the Vietnam War. While its official designation was "Point Yankee," it was universally referred to as Yankee Station...

 on 8 May. Following service in the Combat Zone, she reached Pearl Harbor via 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...

 on 8 July. Her home port was changed to San Diego, California
San Diego, California
San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...

, on 1 August and she headed for the West Coast 22 August.

1970's and after

Pickerel was transferred to Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 on 18 August 1972 and stricken 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 5 December 1977.

Pickerel and were transferred and commissioned into the Italian Navy
Marina Militare
The Italian Navy is the navy of the Italian Republic. It is one of the four branches of military forces of Italy; formed in 1946, from what remained of the Regia Marina . As of 2008, the Italian Navy had 35,200 active personnel with 180 commissioned ships, 19 Floating Docks, and 123 aircraft...

 at the same time. Some civilian sources disagree as which of them became Primo Longobardo (S-501) and which became Gianfranco Gazzana Priaroggia (S-502). The United States Department of the Navy
United States Department of the Navy
The Department of the Navy of the United States of America was established by an Act of Congress on 30 April 1798, to provide a government organizational structure to the United States Navy and, from 1834 onwards, for the United States Marine Corps, and when directed by the President, of the...

's Naval Historical Center maintains that Pickerel became Primo Longobardo and Volador became Gianfranco Gazzana Priaroggia. Primo Longobardo was stricken on either 31 January 1980 or 31 May 1981.

See for other ships of the same name.
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