Submarine Tenders
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A submarine tender, in British English a submarine depot ship, is a type of
depot ship A depot ship is an auxiliary ship used as a mobile or fixed base for submarines, destroyers, minesweepers, fast attack craft, landing craft, or other small ships with similarly limited space for maintenance equipment and crew dining, berthing an ...
that supplies and supports
submarine A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited underwater capability.) The term "submarine" is also sometimes used historically or infor ...
s.


Development

Submarines are small compared to most oceangoing vessels, and generally cannot carry large amounts of food, fuel,
torpedo A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, such ...
es, and other supplies, or a full array of maintenance equipment and personnel. The tender carries all these, and either meets submarines at sea to replenish them or provides these services while docked at a port near the submarines' operations zone. In some navies, the tenders were equipped with
workshop Beginning with the Industrial Revolution era, a workshop may be a room, rooms or building which provides both the area and tools (or machinery) that may be required for the manufacture or repair of manufactured goods. Workshops were the only ...
s for maintenance, and as floating dormitories with relief
crew A crew is a body or a group of people who work at a common activity, generally in a structured or hierarchy, hierarchical organization. A location in which a crew works is called a crewyard or a workyard. The word has nautical resonances: the ta ...
s. With the increased size and automation of modern submarines, plus in some navies the introduction of
nuclear power Nuclear power is the use of nuclear reactions to produce electricity. Nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the vast majority of electricity from nuclear power is produced by ...
, tenders are no longer as necessary for fuel as they once were.


Canada

Canada's first submarine depot ship was .


Chile

The term used in the
Chilean Navy The Chilean Navy () is the naval warfare service branch of the Chilean Armed Forces. It is under the Ministry of National Defense (Chile), Ministry of National Defense. Its headquarters are at Edificio Armada de Chile, Valparaiso. History Ori ...
is "submarine mother ship", as for example the BMS (buque madre de submarinos) ''Almirante Merino''.


China

China's Type 926 submarine support ship is capable of replenishing submarines and rescuing those in distress.


France

During the 1930s and
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, the
French Navy The French Navy (, , ), informally (, ), is the Navy, maritime arm of the French Armed Forces and one of the four military service branches of History of France, France. It is among the largest and most powerful List of navies, naval forces i ...
and later the
Free French Naval Forces The Free French Naval Forces (, or FNFL) were the naval arm of the Free French Forces during the Second World War. They were commanded by Admiral Émile Muselier. History In the wake of the Armistice and the Appeal of 18 June, Charles de Ga ...
operated the submarine tender .


Germany

Unable to operate a significant number of conventional surface tenders during
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
,
Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
's ''
Kriegsmarine The (, ) was the navy of Nazi Germany from 1935 to 1945. It superseded the Imperial German Navy of the German Empire (1871–1918) and the inter-war (1919–1935) of the Weimar Republic. The was one of three official military branch, branche ...
'' used Type XIV submarines (nicknamed ''milk cows'') for replenishment at sea.


Japan

Prior to and during World War II, the
Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, Potsdam Declaration, when it was dissolved followin ...
operated submarine tenders. It also operated , a
seaplane tender A seaplane tender is a boat or ship that supports the operation of seaplanes. Some of these vessels, known as seaplane carriers, could not only carry seaplanes but also provided all the facilities needed for their operation; these ships are rega ...
designed and equipped to transport and support 12
midget submarine A midget submarine is any submarine under 150 tons, typically operated by a crew of one or two but sometimes up to six or nine, with little or no on-board living accommodation. They normally work with mother ships, from which they are launched an ...
s in addition to
seaplane A seaplane is a powered fixed-wing aircraft capable of takeoff, taking off and water landing, landing (alighting) on water.Gunston, "The Cambridge Aerospace Dictionary", 2009. Seaplanes are usually divided into two categories based on their tech ...
s, and a number of submarines designed to transport, launch, and recover midget submarines.


The Netherlands

The
Royal Netherlands Navy The Royal Netherlands Navy (, ) is the Navy, maritime service branch of the Netherlands Armed Forces. It traces its history to 8 January 1488, making it the List of navies, third-oldest navy in the world. During the 17th and early 18th centurie ...
has one submarine support vessel, , commissioned in 1987, as a replacement of , then known as HNLMS Mercuur (A 856). Commissioned in 1956, as an ocean going Aggressive-class minesweeper, built in the US, and later used as a submarine tender.


Russia

The
Russian Navy The Russian Navy is the Navy, naval arm of the Russian Armed Forces. It has existed in various forms since 1696. Its present iteration was formed in January 1992 when it succeeded the Navy of the Commonwealth of Independent States (which had i ...
decommissioned all its Don and Ugra-class tenders inherited from the
Soviet Navy The Soviet Navy was the naval warfare Military, uniform service branch of the Soviet Armed Forces. Often referred to as the Red Fleet, the Soviet Navy made up a large part of the Soviet Union's strategic planning in the event of a conflict with t ...
by 2001. The last remaining ship of this class was , initially sold to the
Indian Navy The Indian Navy (IN) (ISO 15919, ISO: ) is the Navy, maritime and Amphibious warfare, amphibious branch of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Navy. The Chief of the Naval Staff (India), Chief ...
in 1968 for use with their fleet of s. She was reportedly decommissioned in July 2006.


United Kingdom

In the
Royal Navy The Royal Navy (RN) is the naval warfare force of the United Kingdom. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King of the United Kingdom, King. Although warships were used by Kingdom ...
, the term used for a submarine tender is "submarine depot ship", for example and . List of Royal Navy submarine depot ships


United States

In the
United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...
, submarine tenders are considered
auxiliary ship An auxiliary ship is a naval ship designed to support combatant ships and other naval operations. Auxiliary ships are not primary combatant vessels, though they may have some limited combat capacity, usually for purposes of self-defense. Auxili ...
s, with the
hull classification symbol The United States Navy, United States Coast Guard, and United States National Oceanic and Atmospheric Administration (NOAA) use a hull classification symbol (sometimes called hull code or hull number) to identify their ships by type and by ind ...
"AS". , the U.S. Navy maintains two submarine tenders, and .


See also

*
Submarine rescue ship A submarine rescue ship is a surface support ship for submarine rescue and deep-sea salvage operations. Methods employed include the McCann Rescue Chamber, deep-submergence rescue vehicles (DSRV's) and diving operations. List of active su ...
– similar ship meant for rescue and salvage of submarines


References


External links

* {{Warship types of the 19th & 20th centuries Ship types