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Auxiliary ship

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Type of naval ship
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German NavyBerlin-class replenishment ship

Anauxiliary ship is anaval ship designed to supportcombatant ships and other naval operations.[1] Auxiliary ships are not primary combatant vessels, though they may have some limited combat capacity, usually for purposes of self-defense.[2][3]

Auxiliary ships are extremely important fornavies of all sizes because if they were not present the primary fleet vessels would be unsupported. Thus, virtually every navy maintains an extensive fleet of auxiliary ships, however, the composition and size of these auxiliary fleets vary depending on the nature of each navy and its primary mission. Smaller coastalnavies tend to have smaller auxiliary vessels focusing primarily on littoral and training support roles, while largerblue-water navies tend to have larger auxiliary fleets comprising longer-range fleet support vessels designed to provide support far beyondterritorial waters.[4]

Roles

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Royal Canadian Navy auxiliary oilerHMCS Preserver during New York fleet week, 2009
Australian oilerHMAS Sirius refuelingUSS Essex, June 2007
American cargo shipUSNSFurman, 1981
American repair shipUSS Vulcan, June 1992
German tugboatWangerooge, 2005
Australian survey shipHMAS Leeuwin, December 2013
US Navy barracks ship APL-61 in 2003

Replenishment

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Main article:Replenishment oiler

One of the most direct ways that auxiliary ships support the fleet is by providingunderway replenishment (also known as "replenishment at sea") to major fleet units. This allows the fleet to remain in the same location, with the replenishment vessels bringing up fuel,ammunition, food, and supplies fromshore to the fleet wherever it is operating.[citation needed]

Oilers ("replenishment tankers") are vessels specifically designed to bring fuel oil to the fleet, while the earliercolliers supplied coal-burning warships. Specific role replenishment vessels includecombat stores ships,depot ships,general stores issue ships, andammunition ships.[citation needed]

Tenders are specifically designed to support a type of smaller naval unit, likesubmarines,destroyers, andseaplanes, providing a mobile base of operations for these units: specificallydestroyer tenders,submarine tenders,seaplane tenders,torpedo boat tenders.[5][6]

Transport

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Main article:Attack transport

Supporting front-line operating bases requires immense transportation capacity. Transport ships are often convertedmerchant ships simplycommissioned (APA, APD, APH, APV)[jargon] into naval service.Tankers are transports specifically designed to ship fuel to forward locations. Transport ships are often employed not only carrying cargo for naval support but are in support of all forces of a nation's military (AK, AKA, AKN, AKR, AKS). In particular,troopships andattack transports are used to carry a large number of soldiers to operational theatres. Some transport ships are highly specialized, like theammunition ships employed by the US Navy.[7] Large ocean tugs (AT, ATO, ATF, ATA, ATR)[jargon] are used to tow large auxiliary ships, like barges, floating repair docks, and floating cranes in the open sea, also disabled ships.[18]

Repair

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Main article:Repair ship

Repairing ships at sea or in conflict areas is important as it allows these vessels to return to service more quickly, while also increasing the chance of survival for ships critically damaged in battle.Repair vessels (US Navy: AR, ARB, ARC, ARG, ARH, ARL, ARV)[jargon] range from small equipment ships known asAuxiliary repair docks, to the largerAuxiliary floating drydocks, there are alsoAircraft repair ships that specialize in repair ofnaval aircraft.[19][20]

Harbor

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Main articles:Type V ship andType B ship

Harbor support is a critical support role, with various types of vessels includingtugboats,barges,lighter barges,derrick-crane vessels, and others used to move ships and equipment around the port facilities, anddepot ships and tends to service ships currently in the harbor. These vessels also help maintain the harbor by dredging channels, maintainingjetties andbuoys, and even providing floating platforms for port defenses.[citation needed]

In US Navy, tugboats are type YT, YTB, YTM, YTL or aType V ship.[21] and barges are classified as aType B ship or YF, YFN, YFR, or YFRN.[22]

Support

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Radar picket to increase the radar detection range around a force.Communications Relay Ships (AGMR) are floating communications stations.Tracking ships or Range Instrumentation Ships (AGM) are equipped with antennas and electronics to support the launching and tracking of missiles and rockets.Command ship (AGF) are flagships of the commander of a fleet.Wind-class icebreaker (AGB WAGB) are support ships.Rescue and salvage ship andSubmarine rescue ship (ASR) for surface support ship for ship and submarine rescue.Barracks ships or Auxiliary Personal Living ships, (APL) are vessels-barges for service men to live on.[citation needed]

Research

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A wide variety of vessels are employed asTechnical Research Ships(AGTR),Tracking Ships(AGM),Environmental Research Ships (AGER),Hydrofoil Research Ships (AGEH), andSurvey Vessels, primarily to provide a navy with a better understanding of its operating environment or to assist in testing new technologies for employment in other vessels.[23]

Hospital

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Main article:Hospital ship

Hospital ships are able to provide medical care in remote locations to personnel.[24]

Unclassified auxiliary ship

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Main article:List of unclassified miscellaneous vessels of the United States Navy

TheUS Navy also used an unclassified miscellaneous auxiliary ship classification in which the unclassified miscellaneous auxiliary ship classification isIX. An unclassified miscellaneous auxiliary ship can be a new ship without a classified role or a ship that does not fit into a standard category or a ship that had been removed from its classification.[25][26][27]

See also

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References

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Notes

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  1. ^Cutler and Cutler, p.16
  2. ^Morris, p.192
  3. ^Ship Abbreviations and Symbolsnavy.mil
  4. ^Navy Ships: Turning Over Auxiliary Ship Operations to the Military Sealift Command Could Save Millionsdtic.mil
  5. ^"Submarine Tenders (AS)".shipbuildinghistory.com. Retrieved2019-01-23.
  6. ^"Other Auxiliaries (AGB, AGC, AGDS, AGEH, AGER, AGF, AGM, AGMR, AGP, AGR, AGTR)".shipbuildinghistory.com. Retrieved2019-01-23.
  7. ^"Royal Fleet Auxiliary ship makes last Plymouth call".BBC News. 2011-02-01. Retrieved2021-09-18.
  8. ^"Ocean Tugs (AT, ATO, ATF, ATA, ATR)".shipbuildinghistory.com. Retrieved2019-01-23.
  9. ^"Oilers AO".shipbuildinghistory.com. Retrieved2019-01-23.
  10. ^"Combat Logistics Resupply Ships AC AE AF AFS AKE AOE AOR".shipbuildinghistory.com. Retrieved2019-01-23.
  11. ^"Cargo Ships AK AKA AKN AKS".shipbuildinghistory.com. Retrieved2019-01-23.
  12. ^"Gasoline Tankers AOG".shipbuildinghistory.com. Retrieved2019-01-23.
  13. ^"Destroyer Tenders AD".shipbuildinghistory.com. Retrieved2019-01-23.
  14. ^"Aviation Support Ships AV AVP AVS".shipbuildinghistory.com. Retrieved2019-01-23.
  15. ^"Miscellaneous Auxiliaries AG".shipbuildinghistory.com. Retrieved2019-01-23.
  16. ^"Troop Transports (AP)".shipbuildinghistory.com. Retrieved2019-01-23.
  17. ^"Attack and Other Transports (APA, APD, APH, APV)".shipbuildinghistory.com. Retrieved2019-01-23.
  18. ^[8][9][10][11][12][13][14][15][16][17]
  19. ^"Floating Dry-Docks (AFDB, AFDM, AFDL, ARD, ARDM, YFD)". shipbuildinghistory.com. 30 April 2015. Retrieved8 January 2019.
  20. ^"Container haulage london gateway". Retrieved16 November 2023.
  21. ^"Yard Tugs Wartime YT YTB YTM YTL".shipbuildinghistory.com. Retrieved2019-01-23.
  22. ^"Freight Lighters Wartime YF YFN YFND YFR YFRN YFRT".shipbuildinghistory.com. Retrieved2019-01-23.
  23. ^"Other Auxiliaries AGB, AGC, AGDS, AGF, AGM, AGMR, AGP, AGR".shipbuildinghistory.com. Retrieved2019-01-23.
  24. ^Custodio, Jonathan."U.S. transport ship and field hospitals heading to Haiti for quake relief".POLITICO. Retrieved2021-09-18.
  25. ^Overview — UNCLASSIFIED MISCELLANEOUS (IX) Unitsmilitaryperiscope.com
  26. ^Unclassified auxiliary shipsNavsource
  27. ^Unclassified (IX): Special Typesshipscribe.com

Bibliography

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External links

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