Career
Builder:	Portsmouth Naval Shipyard, Kittery, Maine[1]
Laid down:	24 August 1944[1]
Launched:	1 January 1945[1]
Commissioned:	28 April 1945[1]
Decommissioned:	2 December 1968[1]
Struck:	20 December 1971[1]
Fate:	Museum ship at Tampa, Florida, 17 July 1972,[2] then Pittsburgh, Pennsylvania[1]
General characteristics
Class and type:	Tench-class diesel-electric submarine [2]
Displacement:	1,570 tons (1,595 t) surfaced [2] 2,414 tons (2,453 t) submerged [2]
Length:	311 ft 8 in (95. The Portsmouth Naval Shipyard (PNS often called the Portsmouth Navy Yard, is a United States Navy Shipyard located in Kittery on the southern Kittery is a town in York County, Maine, United States. The population was 9543 at the 2000 census Events 49 BC - Julius Caesar 's General Gaius Scribonius Curio is defeated in the Second Battle of the Bagradas River Year 1944 ( MCMXLIV) was a Leap year starting on Saturday (link will display full calendar of the Gregorian calendar. New Year See also New Year The Ancient Romans began their consular year on January 1st since 153 BC Year 1945 ( MCMXLV) was a Common year starting on Monday (link will display the full calendar Events 1192 - Assassination of Conrad of Montferrat (Conrad I King of Jerusalem, in Tyre, two days after his title Year 1945 ( MCMXLV) was a Common year starting on Monday (link will display the full calendar Events 1409 - The University of Leipzig opens 1755 - The second Eddystone Lighthouse is destroyed by fire Year 1968 ( MCMLXVIII) was a Leap year starting on Monday (link will display full calendar of the Gregorian calendar. Events 69 - Vespasian, formerly a general under Nero, enters Rome to claim the title of Emperor. Year 1971 ( MCMLXXI) was a Common year starting on Friday (link will display full calendar of the 1971 Gregorian calendar. Events 180 - Twelve inhabitants of Scillium in North Africa are executed for being Christians Year 1972 ( MCMLXXII) was a Leap year starting on Saturday (link will display full calendar of the Gregorian calendar. Museums Two Tench Class submarines are on display for the general public A number of vehicles use a diesel-electric Powertrain for providing locomotion. A submarine is a Watercraft that can operate independently below water as distinct from a Submersible that has only limited underwater capability This article is about the tonne or metric ton For other tons see Ton. A foot (plural feet or foot; symbol or abbreviation ft or sometimes &prime – the prime symbol) is a non-SI unit Inches redirects here To see the Les Savy Fav album see Inches. 0 m) [2]
Beam:	27 ft 4 in (8. The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International 3 m) [2]
Draft:	17 ft (5. 2 m) maximum [2]
Propulsion:	4 × Fairbanks-Morse Model 38D8-⅛ 10-cylinder opposed piston diesel engines driving electrical generators[2][3] 2 × 126-cell Sargo batteries[4] 2 × low-speed direct-drive Elliott electric motors [2] two propellers [2] 5,400 shp (4. Fairbanks-Morse, is a historic American (and Canadian industrial Weighing scale manufacturer A cylinder is the central working part of a Reciprocating engine, the space in which a Piston travels An opposed piston engine is one in which the cylinders are double-ended with a piston at each end and no cylinder head A diesel engine is an Internal combustion engine which operates using the Diesel cycle (named after Dr In Electricity generation, an electrical generator is a device that converts Mechanical energy to Electrical energy, generally using Electromagnetic An electrochemical cell is a device used for generating an Electromotive force ( Voltage) and current from chemical reactions. In electronics a battery is a combination of two or more Electrochemical cells which store chemical Energy which can be converted into electrical energy Elliott Company designs manufactures installs and services turbo-machinery for prime movers and rotating machinery An electric motor uses Electrical energy to produce Mechanical energy. 0 MW) surfaced[2] 2,740 shp (2. The watt (symbol W) is the SI derived unit of power, equal to one Joule of energy per Second. 0 MW) submerged[2]
Speed:	20. 25 knots (38 km/h) surfaced [4] 8. (For the South African airport with IATA code "KMH" see Johan Pienaar Airport. 75 knots (16 km/h) submerged [4]
Range:	11,000 nautical miles (20,000 km) surfaced at 10 knots (19 km/h) [4]
Endurance:	48 hours at 2 knots (3. A nautical mile or sea mile is a unit of Length. It corresponds approximately to one minute of Latitude along any meridian. The kilometre ( American spelling: kilometer) symbol km is a unit of Length in the Metric system, equal to one thousand 7 km/h) submerged [4] 75 days on patrol
Test depth:	400 ft (120 m) [4]
Complement:	10 officers, 71 enlisted [4]
Armament:	10 × 21-inch (533 mm) torpedo tubes  (six forward, four aft)  28 torpedoes [4] 1 × 5-inch (127 mm) / 25 caliber deck gun [4] four machine guns

USS Requin (SS-481), a Tench-class submarine, was the only ship of the United States Navy to be named for the requin, a sand shark. The modern torpedo (historically called an automotive automobile locomotive or fish torpedo is a self-propelled explosive Projectile weapon launched above or below The term caliber or calibre designates the interior Diameter of a tube or the exterior diameter of a wire or rod Museums Two Tench Class submarines are on display for the general public Sharks ( Superorder Selachimorpha) are a type of Fish with a full cartilaginous Skeleton and a highly streamlined body Her name was pronounced by her crew [ɹeɪ. kwɪn].

Her keel was laid down on 24 August 1944 by the Portsmouth Navy Yard in Kittery, Maine. Events 49 BC - Julius Caesar 's General Gaius Scribonius Curio is defeated in the Second Battle of the Bagradas River Year 1944 ( MCMXLIV) was a Leap year starting on Saturday (link will display full calendar of the Gregorian calendar. The Portsmouth Naval Shipyard (PNS often called the Portsmouth Navy Yard, is a United States Navy Shipyard located in Kittery on the southern Kittery is a town in York County, Maine, United States. The population was 9543 at the 2000 census She was launched on 1 January 1945 sponsored by Mrs. The ceremonies involved in naming and launching naval ships are based in traditions thousands of years old New Year See also New Year The Ancient Romans began their consular year on January 1st since 153 BC Year 1945 ( MCMXLV) was a Common year starting on Monday (link will display the full calendar Slade D. Cutter, and commissioned on 28 April 1945 with Commander Slade D. Commissioning is the act or ceremony of placing a ship in active service Events 1192 - Assassination of Conrad of Montferrat (Conrad I King of Jerusalem, in Tyre, two days after his title Year 1945 ( MCMXLV) was a Common year starting on Monday (link will display the full calendar Cutter in command.

Initially, Requin carried heavier armament than usual for a fleet submarine, perhaps because Commander Cutter was one of the most decorated submarine skippers going to sea. She had an additional five-inch/25-caliber deck gun, as well as two 24-tube five-inch rocket launchers, which were intended to be used to provide offshore bombardment during Operation Downfall, the planned invasion of Kyūshū and Honshū. Operation Downfall was the overall Allied plan for the invasion of Japan near the end of World War II. or Kyushu is the third-largest Island of Japan and most southwesterly of its four main islands. or Honshu is the largest Island of Japan. The nation's main island, it is south of Hokkaidō across the Tsugaru Strait, north of

Contents 1 Shakedown and First Conversion 2 Radar Picket operations 3 Second Conversion 4 Preservation Efforts 5 References 6 External links

Shakedown and First Conversion

Following shakedown off the New England coast, Requin departed Portsmouth, on 3 June 1945 en route to Hawaii. History See also History of New England New England's earliest inhabitants were Algonquian -speaking Native Americans including the The Portsmouth Naval Shipyard (PNS often called the Portsmouth Navy Yard, is a United States Navy Shipyard located in Kittery on the southern Events 350 - Roman usurper Nepotianus, of the Constantinian dynasty, proclaims himself Roman Emperor, entering Year 1945 ( MCMXLV) was a Common year starting on Monday (link will display the full calendar The State of Hawaii ( or həˈwaɪʔiː Hawaiian: Mokuāina o Hawaii) is a state in the United States located on an Archipelago in the She joined the Pacific Fleet on 13 July at Balboa, Panama, and at the end of the month reached Pearl Harbor. Events 1174 - William I of Scotland, a key rebel in the Revolt of 1173-1174, is captured at Alnwick by forces loyal to Balboa is a district of Panama City, located at the Pacific entrance to the Panama Canal. Pearl Harbor is a Harbor on the Island of O{{okina}}ahu, Hawaii, west of Honolulu. However, two weeks after her arrival, three days before she was to begin her first war patrol, World War II ended and Requin was recalled and ordered back to the Atlantic. World War II, or the Second World War, (often abbreviated WWII) was a global military conflict which involved a majority of the world's nations, including

Requin arrived at Staten Island, New York, on 18 September to begin what would be in the words of Commander Cutter, "a dull and boring assignment," essentially becoming a target for sonar school ships. Staten Island (ˌstætənˈaɪlənd is a borough of New York City situated primarily on the island of the same name Events 96 - Nerva is proclaimed Roman Emperor after Domitian is assassinated On 6 January 1946 she sailed for Key West, Florida, where she joined Submarine Squadron 4 (SubRon 4). Events 1066 - Harold Godwinson is crowned King of England. 1205 - Philip of Swabia becomes King Year 1946 ( MCMXLVI) was a Common year starting on Tuesday (link will display full 1946 calendar of the Gregorian calendar. Key West is a city in Monroe County Florida, United States. The city encompasses Key West, the namesake island the part of Stock Island August through November of that year were spent at the Portsmouth Naval Shipyard in Kittery, Maine, being converted to a radar picket submarine. The Portsmouth Naval Shipyard (PNS often called the Portsmouth Navy Yard, is a United States Navy Shipyard located in Kittery on the southern Kittery is a town in York County, Maine, United States. The population was 9543 at the 2000 census A radar picket is a Radar -equipped ship submarine aircraft or vehicle used to increase the radar detection range around a force to protect it from surprise attack Her four stern torpedo tubes were removed, along with both of her deck guns and her after anti-aircraft cannon. Two of her forward torpedo tubes were inactivated, and she was reduced to only ten torpedoes. She also received a new skipper; in October 1946, Commander George L. Street III, who earned the Medal of Honor during the war, took command. George Levick Street III (July 27 1913 – February 26 2000 was a Submariner in the United States Navy. The Medal of Honor is the highest military decoration awarded by the United States government.

Radar Picket operations

After leaving the yard she resumed operations in the western Atlantic and in the fall of 1947 moved north for exercises with her sister radar picket submarine Spinax (SS-489); on 13 November she crossed the Arctic Circle. Events 1002 - English king Ethelred orders the killing of all Danes in England, known today as the St The Arctic Circle is one of the five major circles of latitude that mark maps of the Earth. Given hull classification symbol SSR-481 on 20 January 1948, Requin began modification to the MIGRAINE II Radar Picket configuration at the Portsmouth Naval Shipyard in Kittery, Maine. The United States Navy uses hull classification symbols (sometimes called hull codes) to identify the types of its ships Events 250 - Emperor Decius begins a widespread persecution of Christians in Rome. Year 1948 ( MCMXLVIII) was a Leap year starting on Thursday (link will display the 1948 calendar of the Gregorian calendar. The Portsmouth Naval Shipyard (PNS often called the Portsmouth Navy Yard, is a United States Navy Shipyard located in Kittery on the southern Kittery is a town in York County, Maine, United States. The population was 9543 at the 2000 census In December she departed the shipyard after competing trials with new radar equipment and reported to New London, Connecticut for duty with Submarine Squadron 8. New London is a seaport city and a Port of entry on the northeast coast of the United States

In May 1949 she sailed east for her first deployment with the Sixth Fleet. The Sixth Fleet is the United States Navy's operational unit and staff of United States Naval Forces Europe, and once had its own headquarters in Gaeta Arriving at Gibraltar on 14 May, she operated in the Mediterranean Sea until 30 June. Gibraltar (dʒɨˈbrɒltər is a British overseas territory located near the southernmost tip of the Iberian Peninsula overlooking the Strait of Gibraltar Events 1264 - Battle of Lewes: Henry III of England is captured in France making Simon de Montfort the Events 350 - Roman usurper Nepotianus, of the Constantinian dynasty, is defeated and killed by troops of the Usurper Soon after her return to New London, Requin was transferred to Norfolk, Virginia, for duty with SubRon 6. Norfolk is an Independent city in the Commonwealth of Virginia in the United States Into the spring of 1950, she operated in the western Atlantic, ranging from Nova Scotia to the West Indies. Nova Scotia (ˌnəʊvəˈskəʊʃə ( Latin for New Scotland; Alba Nuadh Nouvelle-Écosse is a Canadian province located on Canada 's The Caribbean (ˌkærəˡbiən kæ'rəbiən Cariben|Caraïben or Caraïben; Caraïbe or more commonly Antilles; Caribe is a Region consisting Overhaul occupied most of the summer, and with the end of the year she prepared for another Sixth Fleet tour. In the Mediterranean from mid-January to mid-May 1951, she resumed operations off the East Coast and in the Caribbean Sea on her return. For the region see Caribbean. The Caribbean Sea (kəˈrɪbiən or /ˌkærɨˈbiːən/ is a tropical Sea in the Western Hemisphere In August 1952, she was back in European waters. During September, she visited the United Kingdom; then, in October the submarine transited the Strait of Gibraltar for her regular Sixth Fleet duty. The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom, the UK or Britain,is a Sovereign state located The Strait of Gibraltar ( Arabic: مضيق جبل طارق Spanish: Estrecho de Gibraltar) is the Strait that connects the Atlantic

In 1953, she maintained her schedule of Second and Sixth Fleet operations, but at the end of the year put into Philadelphia, Pennsylvania, for an extensive modernization overhaul that among other changes removed her last antiaircraft cannon. The US Second Fleet is one of six numbered fleets in the United States Navy. The Sixth Fleet is the United States Navy's operational unit and staff of United States Naval Forces Europe, and once had its own headquarters in Gaeta Philadelphia (ˌfɪləˈdɛlfiə On 2 May 1955, she sailed for her fifth Mediterranean deployment. Events 1194 - King Richard I of England gives Portsmouth its first Royal Charter. Year 1955 ( MCMLV) was a Common year starting on Saturday (link displays the 1955 Gregorian calendar) Detached at the end of July, she returned to Norfolk and remained on the East Coast, with cruises to the Caribbean, until November 1957 when she resumed duty with the Sixth Fleet.

Second Conversion

From June through August 1959 the Charleston Navy Yard in South Carolina removed all Requin’s radar equipment and improved her streamlining. Charleston Navy Yard was a US Navy Ship building and repair facility located along the west bank of the Cooper River, in North Charleston South South Carolina ( is a state in the southern region ( Deep South) of the United States of America. Upon her conversion to Fleet Snorkel configuration, she was given hull classification symbol SS-481 on 15 August 1959, and rejoined SubRon 6 in Norfolk for operations as a normal attack submarine, a role she retained until her decommissioning. The Greater Underwater Propulsion Power Program (GUPPY was initiated by the United States Navy after World War II to improve the submerged speed maneuverability and endurance The United States Navy uses hull classification symbols (sometimes called hull codes) to identify the types of its ships Events 778 - The Battle of Roncevaux Pass, at which Roland is killed The year 1959 ( MCMLIX) was a Common year starting on Thursday (link will display full calendar of the Gregorian calendar.

Requin conducted local operations off the East Coast and in the Caribbean Sea. For the region see Caribbean. The Caribbean Sea (kəˈrɪbiən or /ˌkærɨˈbiːən/ is a tropical Sea in the Western Hemisphere On 20 September 1963, Requin completed her 5000th dive. Events 451 - The Battle of Chalons takes place in North Eastern France. Year 1963 ( MCMLXIII) was a Common year starting on Tuesday (link will display full calendar of the Gregorian calendar. From 7 January 1964 into May she operated with the Sixth Fleet, then resumed her Second Fleet duties into 1968, interrupted only twice for extended deployments. Events 1325 - Alfonso IV becomes King of Portugal. 1558 - France takes Calais, the last continental Year 1964 ( MCMLXIV) was a Leap year starting on Wednesday (link will display full calendar of the 1964 Gregorian calendar. Operation UNITAS VII in the fall of 1966 called for Requin to cruise around the South American continent for exercises with various South American navies and her last Sixth Fleet deployment sent her back to the Mediterranean for duty from 4 April to 27 July 1967. South America is a Continent of the Americas, situated entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a Events 1581 - Francis Drake completes a circumnavigation of the world and is knighted by Elizabeth I. Events 1214 - Battle of Bouvines: In France, Philip II of France defeats John of England. Year 1967 ( MCMLXVII) was a Common year starting on Sunday (link will display full calendar of the 1967 Gregorian calendar.

Requin’s last Mediterranean deployment began on 4 April 1967. Events 1581 - Francis Drake completes a circumnavigation of the world and is knighted by Elizabeth I. Year 1967 ( MCMLXVII) was a Common year starting on Sunday (link will display full calendar of the 1967 Gregorian calendar. On 8 June, just as she completed a series of exercises with the Sixth Fleet, she received word that the US signal intelligence ship Liberty (AGTR-5) was under attack. Events 68 - The Roman Senate accepts emperor Galba. 536 - St Silverius becomes Pope (probable This article deals with only the undisputed facts regarding USS Liberty Requin’s crew prepared to go to the defense of Liberty, but received orders from the Sixth Fleet commander to surface and proceed to Crete. Crete ( Greek: Κρήτη transliteration: Krētē, modern transliteration Kriti) is the largest of the Greek islands and the

On 28 May 1968, in her last deployment before decommissioning, Requin departed Norfolk, Virginia, as part of the search effort for the missing nuclear attack submarine Scorpion (SSN-589). Events 585 BC - A Solar eclipse occurs as predicted by Greek philosopher and scientist Thales, while Alyattes is battling Year 1968 ( MCMLXVIII) was a Leap year starting on Monday (link will display full calendar of the Gregorian calendar. Norfolk is an Independent city in the Commonwealth of Virginia in the United States Service history Scorpion's keel was laid 20 August 1958 by the Electric Boat Division of the General Dynamics Corporation in On 29 June 1968, Requin was reclassified AGSS-481 and in October 1968 she began inactivation at Norfolk. Events 512 - A Solar eclipse is recorded by a monastic chronicler in Ireland. Year 1968 ( MCMLXVIII) was a Leap year starting on Monday (link will display full calendar of the Gregorian calendar. Decommissioned on 3 December 1968, she was towed to St. Petersburg, Florida in February 1969 and served there as a Naval Reserve Training ship. Events 1800 - War of the Second Coalition: Battle of Hohenlinden, French Year 1968 ( MCMLXVIII) was a Leap year starting on Monday (link will display full calendar of the Gregorian calendar. St Petersburg (often shortened to St Pete) is a city in Pinellas County Florida, United States. On 30 June 1971 Requin was reclassified as IXSS-481, and on 20 December 1971 she was struck from the Naval Vessel Register. Events 350 - Roman usurper Nepotianus, of the Constantinian dynasty, is defeated and killed by troops of the Usurper Year 1971 ( MCMLXXI) was a Common year starting on Friday (link will display full calendar of the 1971 Gregorian calendar. Events 69 - Vespasian, formerly a general under Nero, enters Rome to claim the title of Emperor. Year 1971 ( MCMLXXI) was a Common year starting on Friday (link will display full calendar of the 1971 Gregorian calendar. The Naval Vessel Register ( NVR) is the official inventory of ships and service craft in custody of or titled by the United States Navy.

Preservation Efforts

On 17 June 1972 Requin was transferred to Tampa, Florida, as a tourist attraction. Events 1462 - Vlad III the Impaler attempts to assassinate Mehmed II ( The Night Attack) forcing him to retreat Year 1972 ( MCMLXXII) was a Leap year starting on Saturday (link will display full calendar of the Gregorian calendar. She remained in this role until 1986, when she was closed down due to lack of funding and support. For four years she remained abandoned at the pier.

On 21 February 1990 Senator John Heinz introduced Senate Bill S. Events 362 - Athanasius returns to Alexandria. 1245 - Thomas, the first known Bishop of Finland Year 1990 ( MCMXC) was a Common year starting on Monday (link displays the 1990 Gregorian calendar) A senate is a Deliberative body, often the Upper house or chamber of a Legislature or Parliament. Henry John Heinz III (October 23 1938 – April 4 1991 was an American politician from Pennsylvania, a Republican member of the United States 2151, which allowed Requin to be transferred as an exhibit for the Carnegie Science Center in Pittsburgh, Pennsylvania. This article is about an organization that operates museums For the foundation which supports scientific research refer to the Carnegie Institution of Washington. On 24 May Requin was towed to Tampa Shipyard for dry docking and hull repairs, in preparation for her move to Pittsburgh. Events 1218 - The Fifth Crusade leaves Acre for Egypt. 1276 - Magnus Ladulås is crowned On 7 August she left International Ship Repair in Tampa under tow to Baton Rouge, Louisiana where, on 11 August, she was lifted onto barges and began her ride up the Mississippi River and Ohio River to Pittsburgh. Events 322 BC - Battle of Crannon between Athens and Macedon following the death of Alexander the Great. Baton Rouge (French Bâton-Rouge ˌbætən ˈruːdʒ in English, and in French) is the capital city of Louisiana. Events 2492 BC - Traditional date of the defeat of Bel by Hayk, progenitor and founder of the Armenian nation The Mississippi River is the second longest River in the United States, with a length of from its source in Lake Itasca in Minnesota to The Ohio River is the largest Tributary by volume of the Mississippi River. On 4 September Requin arrived at the Carnegie Science Center, and on 20 October Requin was dedicated as a memorial and museum exhibit, and opened for tours. Events 476 - Romulus Augustus, last emperor of the Western Roman Empire, is deposed when Odoacer proclaims himself This article is about an organization that operates museums For the foundation which supports scientific research refer to the Carnegie Institution of Washington. Events 1740 - Maria Theresa takes the throne of Austria. France, Prussia, Bavaria and Saxony

References

This article includes text from the public domain Dictionary of American Naval Fighting Ships. The public domain is a range of abstract materials &ndash commonly referred to as Intellectual property &ndash which are not owned or controlled by anyone The Dictionary of American Naval Fighting Ships ( DANFS for short is the primary reference work for the basic facts about every Ship ever used The entries can be found here and here.

External links

• USS Requin (SS-481) is at coordinates 40°26′42″N 80°01′07″W / 40.445106, -80.018492 (USS Requin (SS-481))Coordinates: 40°26′42″N 80°01′07″W / 40.445106, -80.018492 (USS Requin (SS-481))
• navsource.org: USS Requin
• Carnegie Science Center - USS Requin
• Link to ussrequin.com
• Pittsburgh Post-Gazette - article on technology enhancements to the Requin exhibit
• HNSA Ship Page: USS Requin

A geographic coordinate system enables every location on the Earth to be specified in three coordinates using mainly a spherical coordinate system.

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