Auxiliary ship

Short description: Type of naval ship

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An auxiliary ship is a naval ship designed to support combatant 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 for navies 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 coastal navies tend to have smaller auxiliary vessels focusing primarily on littoral and training support roles, while larger blue-water navies tend to have larger auxiliary fleets comprising longer-range fleet support vessels designed to provide support far beyond territorial waters.[4]

## Contents

* 1 Roles
* 1.1 Replenishment
* 1.2 Transport
* 1.3 Repair
* 1.4 Harbor
* 1.5 Support
* 1.6 Research
* 1.7 Hospital
* 1.8 Unclassified auxiliary ship
* 2 See also
* 3 References
* 3.1 Notes
* 3.2 Bibliography
* 4 External links

## Roles

Royal Canadian Navy auxiliary oiler  missing name during New York fleet week, 2009 Australian oiler  missing name refueling  missing name, June 2007 American cargo ship USNS Furman, 1981 American repair ship  missing name, June 1992 German tugboat Wangerooge, 2005 Australian survey ship  missing name, December 2013 US Navy barracks ship APL-61 in 2003

### Replenishment

Main article: Engineering:Replenishment oiler

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

### Transport

Main article: Engineering:Attack transport

Supporting front-line operating bases requires immense transportation capacity. Transport ships are often converted merchant ships simply commissioned (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 and attack transports are used to carry a large number of soldiers to operational theatres. Some transport ships are highly specialized, like the ammunition 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

Main article: Engineering: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 as Auxiliary repair docks, to the larger Auxiliary floating drydocks, there are also Aircraft repair ships that specialize in repair of naval aircraft.[19][20]

### Harbor

Main articles: Engineering:Type V ship and Type B ship

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

### Support

### Research

A wide variety of vessels are employed as Technical Research Ships(AGTR), Tracking Ships(AGM), Environmental Research Ships (AGER), Hydrofoil Research Ships (AGEH), and Survey 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

Main article: Engineering:Hospital ship

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

### Unclassified auxiliary ship

The US Navy also used an unclassified miscellaneous auxiliary ship classification in which the unclassified miscellaneous auxiliary ship classification is IX. 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

* List of auxiliaries of the United States Navy
* List of auxiliary ship classes in service
* Service Squadron
* US Naval Advance Bases

## References

### Notes

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)". http://shipbuildinghistory.com/navalships/as.htm.
6. ↑ "Other Auxiliaries (AGB, AGC, AGDS, AGEH, AGER, AGF, AGM, AGMR, AGP, AGR, AGTR)". http://shipbuildinghistory.com/navalships/ago.htm.
7. ↑ "Royal Fleet Auxiliary ship makes last Plymouth call" (in en-GB). BBC News. 2011-02-01. https://www.bbc.com/news/uk-england-cornwall-12340832.
8. ↑ "Ocean Tugs (AT, ATO, ATF, ATA, ATR)". http://shipbuildinghistory.com/smallships/auxat.htm.
9. ↑ "Oilers AO". http://shipbuildinghistory.com/navalships/ao.htm.
10. ↑ "Combat Logistics Resupply Ships AC AE AF AFS AKE AOE AOR". http://shipbuildinghistory.com/navalships/ac.htm.
11. ↑ "Cargo Ships AK AKA AKN AKS". http://shipbuildinghistory.com/navalships/ak.htm.
12. ↑ "Gasoline Tankers AOG". http://shipbuildinghistory.com/navalships/aog.htm.
13. ↑ "Destroyer Tenders AD". http://shipbuildinghistory.com/navalships/ad.htm.
14. ↑ "Aviation Support Ships AV AVP AVS". http://shipbuildinghistory.com/navalships/av.htm.
15. ↑ "Miscellaneous Auxiliaries AG". http://shipbuildinghistory.com/navalships/ag.htm.
16. ↑ "Troop Transports (AP)". http://shipbuildinghistory.com/navalships/ap.htm.
17. ↑ "Attack and Other Transports (APA, APD, APH, APV)". http://shipbuildinghistory.com/navalships/apa.htm.
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. http://www.shipbuildinghistory.com/smallships/auxafd.htm.
20. ↑ "Container haulage london gateway". https://yankel.co.uk/container-haulage-london-gateway/.
21. ↑ "Yard Tugs Wartime YT YTB YTM YTL". http://shipbuildinghistory.com/smallships/yt2.htm.
22. ↑ "Freight Lighters Wartime YF YFN YFND YFR YFRN YFRT". http://shipbuildinghistory.com/smallships/yf2.htm.
23. ↑ "Other Auxiliaries AGB, AGC, AGDS, AGF, AGM, AGMR, AGP, AGR". http://shipbuildinghistory.com/navalships/ago.htm.
24. ↑ Custodio, Jonathan. "U.S. transport ship and field hospitals heading to Haiti for quake relief" (in en). https://www.politico.com/news/2021/08/19/us-transport-ship-haiti-aid-506342.
25. ↑ Overview — UNCLASSIFIED MISCELLANEOUS (IX) Unitsmilitaryperiscope.com
26. ↑ Unclassified auxiliary ships Navsource
27. ↑ Unclassified (IX): Special Typesshipscribe.com

### Bibliography

* Cutler, Deborah W.; Cutler, Thomas J. (2005). Dictionary of Naval Terms (6 ed.). Naval Institute Press. ISBN 978-1591141501. https://books.google.com/books?id=6mGLsY0G1O8C&q=auxiliary+ship.
* Morris, Christopher G. (1992). Academic Press Dictionary of Science and Technology (1 ed.). Academic Press. p. 192. ISBN 978-0127356327. https://archive.org/details/academicpressdic00morr. "role of auxiliary vessels."

## External links

* v
* t
* e

Naval ships and warships in 19th and 20th centuries

* Naval ship classes in service
* submarine
* auxiliary
* Operational zones
* Brown-water navy
* Green-water navy
* Blue-water navy
* Gun placement
* Broadside
* Central battery
* Casemate
* Turrets

Aircraft carriers|

* Aircraft cruiser
* Amphibious assault ship
* Anti-submarine warfare carrier
* Balloon carrier
* Battlecarrier
* CAM ship
* Drone carrier
* Escort carrier
* Fighter catapult ship
* Fleet carrier
* Flight deck cruiser
* Helicopter carrier
* Light aircraft carrier
* Merchant aircraft carrier
* Seaplane tender
* Supercarrier

Battleships|

* Coastal defence ship
* Dreadnought
* Fast battleship
* Pre-dreadnought battleship
* Super-dreadnought (Standard-type battleship)
* Treaty battleship

Cruisers|

* Armored cruiser
* Battlecruiser
* Guided missile cruiser
* Heavy cruiser
* Pocket battleship
* Light cruiser
* Merchant raider
* Protected cruiser
* Scout cruiser
* Strike cruiser
* Torpedo cruiser
* Unprotected cruiser

Escort|

* Aviso
* Convoy rescue ship
* Destroyer
* Destroyer escort
* Destroyer leader
* Escort destroyer
* Escorteur
* Frigate
* Guided-missile destroyer
* Kaibōkan
* Sloop

Transport|

* Amphibious transport dock
* Amphibious warfare ship
* Attack transport
* Dock landing ship
* Landing craft
* Landing craft carrier
* Landing Craft Support
* Landing Ship Heavy
* Landing ship, infantry
* Landing Ship Logistics
* Landing Ship Medium
* Landing Ship, Tank
* Landing Ship Vehicle
* Troopship

Patrol craft|

* Armed boarding steamer
* Armed yacht
* Coastal motor boat
* Corvette
* Gunboat
* Harbour defence motor launch
* Motor launch
* Naval drifter
* Naval trawler
* Ocean boarding vessel
* Patrol boat
* Q-ship
* Submarine chaser
* Torpedo boat

Fast attack craft|

* E-boat
* MAS
* MGB
* Missile boat
* MTB
* MTM
* MTSM
* PT boat
* Shin'yō

Mine warfare|

* Danlayer
* Destroyer minesweeper
* Mine countermeasures vessel
* Mine planter
* Minehunter
* Minelayer
* Minesweeper

Command and support|

* Amenities ship
* Ammunition ship
* Auxiliary repair dock
* Auxiliary ship
* Collier
* Combat stores ship
* Command ship
* Crane vessel
* Depot ship
* Destroyer tender
* Dispatch boat
* Fast combat support ship
* Flotilla leader
* General stores issue ship
* Hospital ship
* Joint support ship
* Naval tugboat
* Net laying ship
* Repair ship
* Replenishment oiler
* Submarine tender

Submarines|

* Amphibious assault submarine
* Attack submarine
* Ballistic missile submarine
* Coastal submarine
* Cruise missile submarine
* Cruiser submarine
* Deep-submergence vehicle
* DSRV
* Fleet submarine
* Human torpedo
* Midget submarine
* Submarine aircraft carrier
* Wet sub

Miscellaneous|

* Armed merchantman
* Arsenal ship
* Barracks ship
* Breastwork monitor
* Capital ship
* Flagship
* Floating battery
* Littoral combat ship
* Monitor
* Mother ship
* River monitor

Related|

* Ship types
* Sailing vessels

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