The list of auxiliary ship classes in service includes all

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. Auxil ...

s in

naval A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval warfare, naval and amphibious warfare; namely, lake-borne, riverine, littoral zone, littoral, or ocean-borne combat operations and ...

service in the world. For combatant ships, see the

list of naval ship classes in service The list of naval ship classes in service includes all combatant surface classes in service currently with navies or armed forces and auxiliaries in the world. Ships are grouped by type, and listed alphabetically within. For other vessels, see ...

Command and support ships

Command ships

* ''Andenes'' command ship ** Builder: ** Displacement: 3,000 tons ** Operator: : 3 in commission * HSwMS ''Trossö'' Command ship ** 2,140 tones ** Operator:

River command ships

* ''Kozara'' river command ship ** Builder: ** Displacement: 600 tons ** Operator:

Amphibious command ships

* ''Blue Ridge''-class joint command ship (LCC-19) ** Builder: ** Displacement: 19,700 tons ** Operator: : 2 in commission

Minecraft command and support ships

* ''Godetia'' minecraft tender ** Displacement: 2,500 tons ** Operator:

Multi-role support ships

* ''Absalon''-class flexible support ship / flexible combat vessel ** Builder: ** Displacement: 4500 tons (light), 6,600 tons (full load) ** Operator: : 2 ships commissioned. (Arguably a support ship, armed as a frigate) * ''Karel Doorman''-class multi-function support ship ** Builder: ** Displacement: max 27,500 tons ** Operator: : 1 commissioned around 2014 * multi-role offshore support ship ** Builder: ** Displacement: 5,741 tons ** Operator: * ''Shichang'' multi-role training/support ship ** Displacement: 9,500 tons ** Operator:

Medical ships

Hospital ships

* ''Mercy''-class hospital ship (AH-19) ** Builder: ** Displacement: 69,360 tonnes ** Operator: : 2 in commission * Project 320A hospital ship ** Builder: ** Displacement: 11570 tonnes ** Operator: : 2 in commission * RFA ''Argus'' Primary Casualty Receiving Ship (A135) ** builder: converted by ** Displacement: 28,081 tonnes ** Operator: (

Royal Fleet Auxiliary The Royal Fleet Auxiliary (RFA) is a naval auxiliary fleet owned by the UK's Ministry of Defence. It provides logistical and operational support to the Royal Navy and Royal Marines. The RFA ensures the Royal Navy is supplied and supported by ...

) * ''Daishan Dao''-class hospital ship (866) ** Builder: ** Displacement: 14,000 tonnes ** Operator:

Medical evacuation ships

* ''Zhuanghe'' medical evacuation ship ** Builder: ** Operator:

Ambulance transport ships

* ''Qiongsha'' class ambulance transport ship ** Builder: ** Displacement: 2,150 tonnes ** Operator: : 1 in commission

Ambulance craft

* ''Beiyi 01''-class fast ambulance craft ** Builder: ** Operator: : 5 in commission

Ammunition ships

** Builder: ** Displacement: 410 tonnes ** Operator: : 1 in service * Type 072-class ammunition ship ** Builder: ** Displacement: 4,170 tonnes ** Operator: : 3 in service

Missile/rocket ammunition ships

* ''Yuan Wang 21'' missile/rocket ammunition ship ** Builder: ** Displacement: 9,080 tonnes ** Operator: * ''Yuan Wang 22'' missile/rocket ammunition ship ** Builder: ** Operator:

Replenishment ships

* ''Fort Rosalie''-class replenishment ship ** Builder: ** Displacement: 23,890 tons ** Operator: , (

), 2 in service * ''Lewis and Clark''-class dry cargo/ammunition ship (T-AKE-1) ** Builder: ** Displacement: 41,000 tons ** Operator: : 14 in commission * ''Poolster''-class replenishment ship ** Builder: ** Displacement: 16,836 tons ** Operator: : 1 in service * Type 903 (''Fuchi''-class) replenishment ship ** Builder: ** Displacement: 20,500 tons ** Operator: : 2 in commission * Type 903A-class replenishment ship ** Builder: ** Displacement: 23,400 tons ** Operator: * Type 904 (''Dayun''-class) stores ship ** Builder: ** Displacement: 10,975 tons ** Operator: : 2 in service * Type 908 (''Fusu''- or ''Nancang''-class) replenishment ship ** Builder: ** Displacement: 37,000 tons ** Operator: : 1 in commission * ''Westerwald''-class transport ship ** Builder: ** Displacement: 4,042 tons ** Operator: : 1 in service

Fast combat support ships

* ''Cheonji''-class fast combat support ship ** Builder: ** Displacement: 9,113 tons ** Operator : 3 in service * ''Panshih''-class (AOE-532) fast combat support ship ** Builder: ** Displacement: 20,000 tons ** Operator: : 1 in service * ''Supply''-class fast combat replenishment ship (AOE-6) ** Builder: ** Displacement: 50,000 tons ** Operator: : 2 in commission * Type 901 class fast combat support ship ** Builder: ** Displacement: 45,000 tons ** Operator: : 2 in commission

Tankers

Replenishment oilers

* ''Akar''-class replenishment oiler ** Builder: ** Displacement: 19,350 tons ** Operator: : 2 in service * replenishment oiler ** Builder: ** Displacement: 26,000 tons ** Operator: * ''Berlin''-class (Type 702) combat support ship ** Builder: ** Displacement: 20,240 tons ** Operator : 3 in service * ''Cantabria'' (A15) replenishment oiler ** Builder: ** Displacement: 19,500 tons ** Operator: , 1 in service * ''Durance''-class replenishment oiler ** Builder: / ** Displacement: 17,900 tons ** Operators: *** : 4 in service *** : 1 in service, former ''Durance'' *** : 1 in service as HMAS ''Success'' (built in Australia) * ''Fort Victoria''-class replenishment oiler ** Builder: ** Displacement: 32,818 tons ** Operator: , (

), 1 in service * ''Mashū''-class replenishment oiler ** Builder: ** Displacement: 25,000 tons ** Operator: : 2 in service * replenishment oiler ** Builder: / ** Displacement: 27,500 tons ** Operator: * ''Patiño'' replenishment oiler ** Builder: ** Displacement: 17,045 tons ** Operator: , 1 in service * replenishment tanker ** Builder: ** Displacement: 25,000 tons ** Operator: : 1 in service * ''Stromboli''-class replenishment ship ** Builder: ** Displacement: 8,700 tons ** Operator: : 2 in service * Tide-class replenishment oiler ** Builder: / ** Displacement: 39,000 tons ** Operator: , (

), 4 in service * ''Towada''-class replenishment oiler ** Builder: ** Displacement: 15,000 tons ** Operator: : 3 in service * ''Beiyou 572''-class replenishment oiler ** Builder: ** Operator: : 4 in service * Type 631-class replenishment oiler ** Builder: ** Displacement: 2,300 tons ** Operator: : 7 in service * Type 905 (''Fuqing''-class) replenishment oiler ** Builder: ** Displacement: 21,750 tons ** Operator: : 1 in service

Transport tankers and oilers

* ''Alyay''-class fleet oiler (Project 160) ** Builder: ** Displacement: 7,225 tons ** Operator: : 4 in service * ''Boris Chilikin''-class fleet oiler (Project 1559) ** Builder: ** Displacement: 22,460 tons ** Operator: : 4 in service * BAP ''Tacna'' fleet oiler ** Builder: ** Displacement: 17,040 tons ** Operator: , 1 in service * ''Chesapeake''-class transport tanker (AOT-5084) ** Builder: ** Displacement: 65,000 tons ** Operator: : 2 in commission * ''Dubna''-class fleet oiler ** Builder: ** Displacement: 11,140 tons ** Operator: : 2 in service * ''Gus W. Darnell''-class transport tanker (AOT-1125) ** Builder: ** Displacement: 40,000 tons ** Operator: : 5 in commission * ''Henry J. Kaiser''-class fleet oiler ** Builder: ** Displacement: 42,000 tons ** Operators: ***: 13 in commission ***: 1 in commission * ''Olekma''-class fleet oiler ** Builder: ** Displacement: 6,440 tons ** Operator: : 2 in service * ''Panarea''-class gasoline tanker ** Builder: ** Displacement: 863 tons ** Operator: : 4 in service * ''Rhön''-class tanker ** Builder: ** Displacement: 14,169 tons ** Operator: , 2 in service *

Rover-class tanker The Rover class is a British ship class of Small Fleet Tankers, active from 1970 to 2017 with the Royal Fleet Auxiliary. Two remain in service, one having been sold to Portugal and one to Indonesia; the rest have been scrapped or are awaiting d ...

** Builder: ** Displacement: 11,500 tons (loaded) ** Operators: *** , 1 in service *** , 1 in service *** (

), 2 in service * ''Uda''-class fleet oiler (Project 577) ** Builder: ** Displacement: 7,160 tons ** Operator: : 5 in service * ''Vyaz'ma'' fleet oiler ** Displacement: 8,900 tons ** Operator: * ''Walchensee''-class tanker ** Builder: ** Displacement: 2,191 tons ** Operator: , 2 in service * Wave-class tanker ** Builder: ** Displacement: 34,500 tons ** Operator: , (

), 2 in service

Coastal tankers

* ''Fuzhou''-class coastal tanker ** Builder: ** Displacement: 1,200 tons ** Operator: : 32 in service * ''Jinyou''-class coastal tanker ** Builder: ** Displacement: 4,800 tons ** Operator: : 3 in service * ''Khobi''-class coastal tanker ** Builder: ** Displacement: 1,525 tons ** Operators: *** : 1 delivered in 1959 * ''Leizhou''-class coastal tanker ** Builder: ** Displacement: 900 tons ** Operator: : 9 in service * Type 620 (''Shengli''-class) coastal tanker ** Builder: ** Displacement: 4,940 tons ** Operator: : 2 in service * Type 632 (''Fulin''-class) coastal tanker ** Builder: ** Displacement: 2,200 tons ** Operator: : 19 in service

Water tankers

* ''Simeto''-class water tanker ** Builder: ** Displacement: 1,968 tons ** Operators: *** : 2 in service *** : 1 in service

Tenders

* ''Elbe''-class (Type 404) tender ** Builder: ** Displacement: 3,586 tons ** Operator : 6 in service * ''Lubin''-class small craft support ship ** Builder: BSO Split ** Displacement: 880 tons ** Operator: : 1 in service of 3 built * ''Rhin''-class tender ** Displacement: 2,445 tons ** Operator: : 2 in service * ''Vis'' small craft command and support ship ** Builder: ?? ** Displacement: 680 tons ** Operator:

Buoy tenders

* Class A ''Balsam''-class buoy tender ** Builder: ** Displacement: 1,025 tons ** Operators: *** : 1 delivered in 1997 from the US Coast Guard *** : 5 in commission * ''Gasconade''-class river buoy tender (WLR-75401) ** Builder: ** Displacement: 141 tons ** Operator: : 9 in commission * ''Juniper''-class buoy tender (WLB-201) ** Builder: ** Displacement: 2,000 tons ** Operator: : 16 in commission * Keeper-class buoy tender ** Builder: ** Displacement: 840 tons ** Operator: : 14 in commission * ''Ouachita''-class buoy tender (WLR-65501) ** Builder: ** Displacement: 143 tons ** Operator: : 6 in service * Type 066 class buoy tender ** Builder: ** Displacement: 70 tons ** Operator: * Type 744-class buoy tender ** Builder: ** Displacement: 1750 tons ** Operator: * Type 911I-class buoy tender ** Builder: ** Displacement: 135 tons ** Operator: * Type 999-class buoy tender ** Builder: ** Displacement: 95 tons ** Operator:

Buoy tugs

* ''Alcyon''-class ocean tug and buoy tender ** Displacement: 1,500 tons ** Operator: : 2 in service

Dive tenders

* Type 904I-class dive tender ** Builder: ** Displacement: 1,354.8 tons ** Operator: * Type 904II-class dive tender ** Builder: ** Displacement: 1,327 tons ** Operator: * ''Vulcain'' diving tender ** Builder: ** Displacement: 490 tons ** Operator:

Submarine tenders

* ''Kashtan'' submersible support ship ** Displacement: 5,250 tons ** Operator: * ''Kommuna'' submersible support ship ** Displacement: 2,450 tons ** Operator: * ''Malina''-class submarine tender (Project 2020) ** Builder: / ** Displacement: 13,900 tons ** Operator: : 3 in service * ''Mercuur'' class submarine tender ** Builder: ** Displacement: 1,400 Tons ** Operator: * ''Pionier Moskvyy''-class submersible support ship (Project 05360) ** Builder: ** Displacement: 7,960 tons ** Operator: : 4 in service * ''Ugra''-class submarine tender (Project 1886.1) ** Builder: ** Displacement: 9,650 tons ** Operator: : 2 in service * Type 925 (''Dajiang''-class) submarine tender and salvage ship ** Builder: ** Displacement: 10,087 tons ** Operator: : 3 in service * Type 926-class submarine support ship ** Builder: ** Displacement: 9,500 tons ** Operator: : 3 in service

Degaussing ships

* ''Bereza''-class degaussing ship (Project 130) ** Builder: ** Displacement: 2,050 tons ** Operators: *** : 17 in service *** : 1 in service * ''Pelym''-class degaussing ship (Project 1799) ** Builder: ** Displacement: 1,200 tons ** Operator: : 17 in service * Type 911 degaussing ship ** Builder: ** Operator: : 2 in service * Type 912 degaussing ship ** Builder: ** Displacement: 828 tons ** Operator: : 1 in service * Type 912I degaussing ship ** Builder: ** Operator: : 1 in service * Type 912III (''Yanbai'' class) degaussing ship ** Builder: ** Displacement: 570 tons ** Operator: : 1 in service * Type 912IIIA degaussing ship ** Builder: ** Operator: : 2 in service * Type 912IIIAH degaussing ship ** Builder: ** Operator: : 3 in service

Repair ships

* ''Aditya''-class replenishment and repair ship ** Builder: ** Displacement: 24,612 tons ** Operator: : 1 in service * ''Amur''-class repair ship (Project 304) ** Builder: ** Displacement: 5,500 tons ** Operator: : 11 in service * RFA ''Diligence'' fleet repair ship ** Builder: ** Displacement: 10,765 tons ** Operator: , (

), 1 in service * ''Emory S. Land''-class submarine tender/repair ship (AS-39) ** Builder: ** Displacement: 22,900 tons ** Operator: : 2 in commission * ''Garonne''-class small repair ship ** Displacement: 2,320 tons ** Operator: * ''Oskol''-class repair ship (Project 300/301/303) ** Builder: ** Displacement: 2,700 tons ** Operator: : 8 in service * Type 648 (''Dadao''-class) submarine repair ship ** Builder: ** Displacement: 1,962 tons ** Operator: : 1 in service

Dry docks

* 120t class dry dock ** Builder: ** Displacement: 526.49 tons ** Operator: : 1 in service * ''Dongxiu 912''-class dry dock ** Builder: ** Operator: : 1 in service * ''Hua Chuan No. 1''-class dry dock ** Builder: ** Displacement: 13,000 tons ** Operator: : 1 in service

Engineering vessels

Dredgers

* '' Dredger 1'' dredger ** Builder: ** Operator: * 8-m³ class dredger ** Builder: ** Operator: * ''Beijun 204''-class dredger ** Builder: ** Operator: * ''Dongjun 417''-class dredger ** Builder: ** Operator: * ''Dongjun 433''-class dredger ** Builder: ** Operator: * ''Dongjun 434''-class dredger ** Builder: ** Operator: * ''Nanjun 610''-class dredger ** Builder: ** Operator:

Crane ships

* ''Diamond State''-class crane ship (ACS-7) ** Builder: ** Displacement: 31,500 tons ** Operator: : 2 in commission * ''Gopher State''-class crane ship (ACS-4) ** Builder: ** Displacement: 25,000 tons ** Operator: : 3 in commission * ''Green Mountain State''-class crane ship (ACS-9) ** Builder: ** Displacement: 31,500 tons ** Operator: : 2 in commission * ''Keystone State''-class crane ship (ACS-1) ** Builder: ** Displacement: 31,500 tons ** Operator: : 3 in commission

Construction ships

* ''Anvil''-class inland construction tender (WLIC-75301) ** Builder: ** Displacement: 145 tons ** Operator: : 8 in service * ''Pamlico''-class inland construction tender (WLIC-800) ** Builder: ** Displacement: 416 tons ** Operator: : 4 in commission

Cable laying ships

* Type 890 (''Youzheng''-class) cable ship ** Builder: ** Displacement: 750 tons ** Operator: : 3 in service * Type 991II (''Youdian''-class) cable ship ** Builder: ** Displacement: 1,550 tons ** Operator: : 9 in service, including 3 modified as buoy tenders * USNS ''Zeus'' cable ship (ARC-7) ** Displacement: 15,000 tons ** Operator:

Surveillance and intelligence vessels

Ocean surveillance ships

* ''Hibiki''-class ocean surveillance ship ** Builder: ** Displacement: 3,861 tons ** Operator: : 2 in service * ''Impeccable''-class

Ocean Surveillance Ship ''Stalwart''-class auxiliary general ocean surveillance ships ( T-AGOS) were a class of United States Naval Ship (USNS) auxiliary support Ocean Surveillance Ships commissioned between April 1984 and January 1990. Their original purpose was to c ...

(T-AGOS-23) ** Displacement: 5,368 tons ** Operator: * ''Stalwart''-class

(T-AGOS-1) ** Builder: ** Displacement: 2,285 tons ** Operators *** ***: 2 in service * ''Victorious''-class

(T-AGOS-19) ** Builder: ** Displacement: 3,370 tons ** Operator: : 4 in commission

Electronic surveillance ships

* ''Alpinist''-class electronic surveillance ships (Project 503M) ** Builder: ** Displacement: 1,140 tons ** Operator: : 3 in service * ''Bougainville'' electronic surveillance ship ** Displacement: 10,250 tons ** Operator: * FS ''Eger'' electronic surveillance ship ** Builder: ** Displacement: 7,560 tons ** Operator: * ''Elettra''-class electronic surveillance ship ** Builder ** Displacement: 3,180 tons ** Operators: *** ,

NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two No ...

: 1 in service *** : 1 in service *** : 1 in service * ''Lira''-class electronic surveillance ship (Project 1826) ** Builder: ** Displacement: 4,900 tons ** Operator: : 1 in service * FS ''Marjata'' electronic surveillance ship ** Builder: ** Displacement: 5,300 tons ** Operator: * ''Oste''-class (Type 423) electronic surveillance ship ** Builder: ** Displacement: 3,200 tons ** Operator: : 3 in service * ''Primor'ye''-class electronic surveillance ship (Project 394B) ** Builder: ** Displacement: 4,340 tons ** Operator: : 2 in service * ''Vishnaya''-class electronic surveillance ship (Project 864) ** Builder: ** Displacement: 3,470 tons ** Operator: : 7 in service * Type 814A (''Dadie''-class) electronic surveillance ship ** Builder: ** Displacement: 2,198 tons ** Operator: : 1 in service * Type 815-class electronic surveillance ship ** Builder: ** Displacement: 6,000 tons ** Operator: : 1 in service * Type 815A-class electronic surveillance ship ** Builder: ** Operator: : 4 in service * Type 815G-class electronic surveillance ship ** Builder: ** Operator: : 4 in service

Missile tracking ships

* ''Monge'' missile tracking ship ** Displacement: 21,040 tons ** Operator: * ''Observation Island''

Missile Range Instrumentation Ship A tracking ship, also called a missile range instrumentation ship or range ship, is a ship equipped with antennas and electronics to support the launching and tracking of missiles and rockets. Since many missile ranges launch over ocean areas for ...

(T-AGM-23) ** Displacement: 17,000 tons ** Operator: * ''Waters'' navigation research and missile tracking ship (T-AGS-45) ** Displacement: 12,000 tons ** Operator: * ''Yuan Wang''-class missile tracking and space event support ship ** Builder: ** Displacement: 21,000 tons ** Operator: : 4 in service

Research and scientific vessels

* ''Alliance'' (A 5345) research ship ** Builder: ** Displacement: 3,120 tons ** Operator: ,

* experimental ship ** Builder: ** Displacement: 6,299 tons ** Operator: * RV ''Belgica'' coastal research ship ** Displacement: 835 tons ** Operator: * ''Helmsand''-class trial and fleet service ships (Type 748) ** Builder: ** Operator: : 3 in service * ''Leonardo (A 5301)'' research ship ** Builder ** Displacement: 337 tons ** Operator: * ''Planet''-class (Type 751) research ship (

SWATH A small waterplane area twin hull, better known by the acronym SWATH, is a catamaran design that minimizes hull cross section area at the sea's surface. Minimizing the ship's volume near the surface area of the sea, where wave energy is located ...

vessel) ** Builder: ** Displacement: 3,500 tons ** Operator: : 1 in service * ''Rossetti''-class research ship ** Builder: ** Displacement: 324 tons ** Operator: , 2 in service * ''Shijian''-class research ship ** Builder: ** Displacement: 3,000 tons ** Operator: : 3 in service * Type 6610 (''Shuguang''-class) research ship ** Builder: ** Displacement: 2,400 tons ** Operator: : 8 in service * ''Wilhelm Pullwer''-class trial boat (Type 741) ** Builder: ** Operator: : 1 in service * ''Xiangyanghong''-class research ship ** Builder: ** Displacement: 10,000 tons ** Operator: : 12 in service in various configurations * ''Yanlun''-class research ship ** Builder: ** Displacement: 2,000 tons ** Operator: : 3 in service * ''Yannan''-class research ship ** Builder: ** Displacement: 1,750 tons ** Operator: : 4 in service

Acoustic research vessels

* USNS ''Hayes'' acoustic trials ship (T-AG-195) ** Displacement: 4,000 tons ** Operator: * acoustic research ship ** Builder: ** Displacement: 2,083 tons ** Operator:

Survey vessels

* ''Baldur''-class coastal survey ship ** Builder: ** Displacement: 50 tons ** Operator: : 1 in commission * ARA ''Comodoro Rivadavia'' coastal hydrographic survey ship ** Builder: ** Displacement: 827 tons ** Operator: * ''Echo''-class survey ship ** Builder ** Displacement: 3,470 tons ** Operator: : 2 in commission * USNS ''John McDonnell'' coastal survey ship (T-AGS-51) ** Builder: ** Displacement: 2,000 tons ** Operator: : 2 in commission * ''Lapérouse''-class survey ship ** Displacement: 980 tons ** Operator: : 4 in service * ''Makar''-class hydrographic survey catamaran ** Builder: ** Displacement: 500 tons ** Operator: * ''Moma''-class survey ship (Project 861) ** Builder: / ** Displacement: 1,600 tons ** Operator: : 1 in service * ''Sandhayak''-class survey ship ** Builder: ** Displacement: 1,960 tons ** Operator: : 7 in service * ''HMS Scott'' ocean survey vessel ** Builder ** Displacement: 13,500 tons ** Operator: 1 in service * Type 635 A/B/C (''Yanlai'' class) hydrographic survey ship ** Builder: ** Displacement: 1,100 tons ** Operator: : 4 in service * ''Valerian Uryvayav''-class survey ship ** Builder: ** Displacement: 1,050 tons ** Operators: *** : 1 delivered in 1991 for training and coastal survey

Hydro-oceanographic Survey vessels

* ARA ''Austral'' (Q-21) hydro-oceanographic survey ship ** Builder: ** Displacement: 4,952 tons ** Operator: * ''Ninfe''-class hydro-oceanographic research ship ** Builder ** Displacement: 415 tons ** Operator: : 2 in service

Oceanographic Research vessels

* ''Cabo de Hornos'' oceanographic research ship ** Builder: / ASMAR Chile ** Displacement: 3,020 tons ** Operator: : 1 in service * ''Ammiraglio Magnaghi'' oceanographic research ship ** Builder ** Displacement: 1,744 tons ** Operator: * ''Melville''-class oceanographic research/survey ship (T-AGOR-14) ** Builder: ** Displacement: 2,670 tons ** Operator: : 2 in commission * ''Pathfinder''-class oceanographic research/survey ship (AGS 60) ** Builder: ** Displacement: 4,750 tons ** Operator: : 6 in commission * ''Thomas G. Thompson'' class oceanographic research/survey ship (T-AGOR-23) ** Builder: ** Displacement: 3,250 tons ** Operator: : 3 in commission

Polar Oceanographic Research vessels

* ''

BIO Las Palmas Bio or BIO may refer to: Computing * bio(4), a pseudo-device driver in RAID controller management interface in OpenBSD and NetBSD * Block I/O, a concept in computer data storage Politics * Julius Maada Bio (born 1964), Sierra Leonean politicia ...

'' polar oceanographic research vessel ** Builder: ** Displacement: 1,500 tons ** Operator: * ARA ''Puerto Deseado'' polar oceanographic survey vessel ** Builder: ** Displacement: 2,400 tons ** Operator:

Icebreakers

* ''Eisvogel''-class icebreaker ** Builder: ** Displacement: 560 tons ** Operators: ***: 1 in service ***: 1 in service * Type 272 class icebreaker ** Builder: ** Displacement: 4,860 tons ** Operator: : 2 in service

Lake icebreakers

* USCGC ''Mackinaw'' lake icebreaker (WLBB-30) ** Displacement: 3,500 tons ** Operator:

Electronic surveillance icebreakers

* Type 071G class icebreaker and electronic surveillance ship ** Builder: ** Displacement: 3,192 tons ** Operator: : 1 in service

Electronic surveillance / hydrographic research icebreakers

* Type 210 class electronic surveillance / hydrographic research icebreaker ** Builder: ** Displacement: 4,420 tons ** Operator: : 1 in service

Polar icebreakers

* USCGC ''Healy'' polar icebreaker (WAGB-20) ** Builder: ** Displacement: 16,400 tons ** Operator: * Polar-class polar icebreaker (WAGB-10) ** Builder: ** Displacement: 13,600 tons ** Operator: : 1 in commission * ''Shirase'' (AGB-5003) polar icebreaker ** Builder: ** Displacement: 20,000 tons ** Operator:

Polar patrol icebreakers

* NoCGV ''Svalbard'' polar icebreaker/offshore patrol vessel ** Builder: ** Displacement: 6,500 tons ** Operator:

Polar research icebreakers

* ARA ''Almirante Irízar'' polar research icebreaker ** Builder: ** Displacement: 14,899 tons ** Operator:

= Polar oceanographic research icebreakers

= * BIO ''Hespérides'' polar oceanographic research icebreaker ** Builder: ** Displacement: 2750 tons ** Operator:

Icebreaking tugs

* Bay-class icebreaking tug (WTGB-101) ** Builder: ** Displacement: 660 tons ** Operator: : 9 in commission

Logistical support ships

* ''Etna''-class Logistics Support Vessel ** Builder: ** Displacement: 13,400 tons ** Operator: *** : 1 in service *** : 1 in service * ''Honqui''-class coastal freighter ** Builder: ** Displacement: 1,950 tons ** Operator: : 7 in service * ''Qiongsha''-class cargo ship ** Builder: ** Displacement: 2,150 tons ** Operator: : 1 in service * HNoMS ''Valkyrien'' support ship ** Builder: ** Displacement: 3,000 tons ** Operator: : 1 in service * ''Vulcano''-class Logistics Support Ship ** Builder: ** Displacement: 23,500 tons ** Operator: : 1 on building

Multi role vessels

* multi role vessel ** Builder: / ** Displacement: 9,000 tons ** Operator:

General cargo ships

* ''Cape Ann''-class general cargo ship (AK-5009) ** Builder: ** Displacement: 20,110 tons ** Operator: : 4 in commission * ''Cape Breton''-class general cargo ship (AK-5056) ** Builder: ** Displacement: 21,000 tons ** Operator: : 4 in commission * ''Cape Girardeau''-class container/bulk cargo ship (AK-2039) ** Builder: ** Displacement: 32,000 tons ** Operator: : 2 in commission * ''Cape John''-class general cargo ship (AK-5022) ** Builder: ** Displacement: 23,000 tons ** Operator: : 4 in commission * Costa Sur-class container/general cargo ship ** Builder: ** Displacement: 10,894 tons ** Operator: : 3 in service

Container ships

* MV ''Asterix'' container ship ** Builder: ** Operator: * ''Page'' class container ship (AKR-4496) ** Builder: ** Displacement: 74,500 tons ** Operator: : 2 in commission

Prepositioning ships

* ''1st Lt Harry L. Martin'' Marine Corps prepositioning ship (AK-3015) ** Builder: ** Displacement: 51,531 tons ** Operator: * ''2nd Lieutenant John P. Bobo''-class Marine Corps prepositioning ship (AK-3008) ** Builder: ** Displacement: 46,000 tons ** Operator: : 5 in commission * ''Gordon''-class army prepositioning ship (AKR-296) ** Builder: / ** Displacement: 65,000 tons ** Operator: : 2 in commission * ''Corporal Louis J. Hauge Jr.''-class Marine Corps prepositioning ship (AK-3000) ** Builder: ** Displacement: 44,000 tons ** Operator: : 5 in commission * ''Sergeant Matej Kocak''-class Marine Corps prepositioning ship (AK-3005) ** Builder: ** Displacement: 51,612 tons ** Operator: : 3 in commission * ''LCPL Roy M. Wheat'' Marine Corps prepositioning ship (AK-3016) ** Builder: / ** Displacement: 50,570 tons ** Operator: * ''Shughart''-class army prepositioning ship (AKR-295) ** Builder: ** Displacement: 54,300 tons ** Operator: : 2 in commission

Vehicle ships

* ''Algol''-class fast vehicle cargo ship (AKR 287) ** Builder: ** Displacement: 55,355 tons ** Operator: : 8 in commission * ''Bob Hope''-class army vehicle prepositioning ship (AKR-300) ** Builder: ** Displacement: 62,000 tons ** Operator: : 7 in commission * ''Cape Ducato''-class roll-on/roll-off vehicle cargo ship (AKR-5051) ** Builder: / ** Displacement: 34,790 tons ** Operator: : 5 in commission * ''Cape Hudson''-class vehicle cargo ship (AKR-5066) ** Builder: / ** Displacement: 51,000 tons ** Operator: : 3 in commission * ''Cape Island''-class vehicle cargo ship (AKR-10) ** Builder: ** Displacement: 33,900 tons ** Operator: : 4 in commission * ''Cape Knox''-class vehicle cargo ship (AKR-5082) ** Builder: ** Displacement: 29,200 tons ** Operator: : 2 in commission * ''Cape Lambert''-class vehicle cargo ship (AKR-5077) ** Builder: ** Displacement: 30,360 tons ** Operator: : 2 in commission * ''Cape Rise''-class vehicle cargo ship (AKR-9678) ** Builder: ** Displacement: 32,000 tons ** Operator: : 3 in commission * ''Cape Texas''-class vehicle cargo ship (AKR-112) ** Builder: ** Displacement: 24,550 tons ** Operator: : 3 in commission * ''Cape Vincent''-class vehicle cargo ship (AKR-9666) ** Builder: ** Displacement: 28,200 tons ** Operator: : 2 in commission * ''Cape Washington''-class vehicle cargo ship (AKR-9961) ** Builder: ** Displacement: 53,600 tons ** Operator: : 2 in commission * ''General Frank S. Besson''-class Logistics Support Vessel (LSV-1) ** Builder: ** Displacement: 4,199 long tons ** Operator: *** : 8 in commission *** : 2 in commission * ''GySgt Fred W. Stockham'' army prepositioning ship (AK-3017) ** Builder: ** Displacement: 55,500 tons ** Operator: * Round Table-class Landing Ship Logistic ** Builder: ** Displacement: 6,000 to 8,751 tons ** Operator: : 2 in service * ''LTC Calvin P. Titus''-class container/vehicle cargo ship (AK-5089) ** Builder: ** Displacement: 48,000 tons ** Operator: : 3 in commission * ''Watson''-class army prepositioning ship (AKR-310) ** Builder: ** Displacement: 62,600 tons ** Operator: : 8 in commission

Aviation logistics ships

* ''Wright''-class aviation logistics ship (T-AVB-3) ** Builder: ** Displacement: 23,800 tons ** Operator: : 2 in commission

Barge Carrier ships

* ''Cape Fear''-class barge carrier (AK-5061) ** Builder: ** Displacement: 44,250 tons ** Operator: : 2 in commission * ''Cape Flattery''-class barge carrier (AK-5070) ** Builder: ** Displacement: 62,300 tons ** Operator: : 2 in commission

Troop ships

* ''Qiongsha''-class troop ship ** Builder: ** Displacement: 2,150 tons ** Operator: : 4 in service

Polar logistics ships

* ''Green Wave'' polar logistics ship (AK-2050) ** Builder: ** Displacement: 9,500 tons ** Operator:

Rescue and salvage ships

Heavy-lift ships

* Type 633 class heavy-lift ship ** Builder: ** Operator: : 1 in service

Salvage ships

* Type 922 class rescue and salvage ship ** Builder: ** Displacement: 3,400 tons ** Operator: : 1 in service * Type 922II (''Dalang'' class) rescue and salvage ship ** Builder: ** Displacement: 4,450 tons ** Operator: : 1 in service * Type 922III (''Dalang II'' class) rescue and salvage ship ** Builder: ** Operator: : 1 in service * Type 922IIIA (''Dalang II'' class) rescue and salvage ship ** Builder: ** Operator: : 3 in service

Salvage tugs

* ''Abeille Flandre''-class large salvage tug ** Displacement: 3,800 tons ** Operator: : 2 in service * ''Daozha''-class salvage tug ** Builder: ** Displacement: 4,000 tons ** Operator: : 1 in service * ''Fehmarn''-class (Type 720) salvage tug ** Builder: ** Displacement: 1,310 tons ** Operator: * ''Ingul''-class salvage tug (Project 1452/1453) ** Builder: ** Displacement: 4,000 tons ** Operator: : 4 in service * ''Neftegaz''-class salvage tug (Project B-92) ** Builder: ** Displacement: 4,000 tons ** Operator: : 3 in service * ''Prut''-class salvage tug (Project 527M) ** Builder: ** Displacement: 3,330 tons ** Operator: : 2 in service * ''Safeguard''-class salvage tug (ARS-50) ** Builder: ** Displacement: 3,300 tons ** Operator: : 4 in commission * ''Sliva''-class salvage tug (Project 712) ** Builder: ** Displacement: 3,000 tons ** Operator: : 3 in service * ''Tuozhong''-class salvage tug ** Builder: ** Displacement: 3,600 tons ** Operator: : 4 in service

Fire tugs

* Fire-class fireboat ** Builder: ** Displacement: 140 tons ** Operator: : 1 in service * ''Iva''-class fire rescue tug (Project B-99) ** Builder: ** Displacement: 2,300 tons ** Operator: : 4 in service * ''Katun''-class fire tug (Project 1893/1993) ** Builder: ** Displacement: 1,200 tons ** Operator: : 13 in service

Search and Rescue Vessels

* ''San Juan''-class Search and Rescue Vessel ** Builder: ** Displacement: 540 tons ** Operator: Philippine Coast Guard: 4 in service * ''Ilocos Norte'' class Search and Rescue Vessel ** Builder: ** Displacement: 120 tons ** Operator: Philippine Coast Guard: 4 in service * Type 917 class rescue ship ** Builder: ** Operator: : 2 in service

Submarine Rescue ships

* ''Alagez'' submarine salvage and rescue ship (Project 537) ** Displacement: 14,300 tons ** Operator: * submarine rescue ship ** Builder: ** Displacement: 4,200 tons ** Operator: * ''Amatista Mod''-class submarine rescue ship ** Builder: ** Displacement: 1,860 tons ** Operator: : 1 in service * ''HSwMS Belos'' submarine rescue ship. ** Operator: * ''Anteo'' submarine rescue ship ** Builder: ** Displacement: 3,874 tons ** Operator: * ''Cheonghaejin'' class submarine rescue ship ** Builder: ** Displacement: 4,300 tons ** Operator: : 1 in service * submarine rescue ship ** Builder: ** Displacement: 7,011 tons ** Operator: * submarine rescue ship ** Builder: ** Displacement: 7,214 tons ** Operator: * Type 930 (''Hudong'' class) submarine rescue ship ** Builder: ** Displacement: 2,500 tons ** Operator: : 1 in service * Type 946 (''Dazhou'' class) submarine rescue ship ** Builder: ** Displacement: 1,100 tons ** Operator: : 2 in service * Type 946A (''Dadong'' class) submarine rescue ship ** Builder: ** Displacement: 1,500 tons ** Operator: : 1 in service

Torpedo recovery vessels

* torpedo launch and recovery vessel ** Builder: ** Displacement: 650 tons ** Operator: * **Builder: **Displacement: 1190 tons **Operator: : 2 in service * ''Type 803'' class torpedo retriever ** Builder: ** Displacement: 94.67 tons ** Operator: * ''Type 906'' class torpedo trials craft ** Builder: ** Displacement: 2,300 tons ** Operator: : 1 in service * ''Type 907A'' class torpedo trials craft ** Builder: ** Displacement: 615 tons ** Operator: : 1 in service * ''Type 917'' class torpedo retriever ** Builder: ** Displacement: 742.5 tons ** Operator: : 7 in service

Pollution control ships

* ''Bottsand''-class (Type 738) oil recovery ship ** Builder: ** Displacement: 650 tons ** Operator: : 2 in service * ''Halli'' pollution control ship ** Builder: ** Displacement: 2,100 tons ** Operator: * ''Hylje'' pollution control ship ** Builder: ** Displacement: 1,400 tons ** Operator: * ''Louhi'' pollution control ship ** Builder: ** Displacement: 3,450 tons ** Operator:

Tugs

* Glen-class tug ** Builder: ** Displacement: 259 tons ** Operator: : 5 in service * ''Habagat''-class MT Tug (TB-271) ** Builder: ** Displacement: unknown ** Operator: Philippine Coast Guard * IRS-class tug ** Builder: ** Displacement: 472 tons ** Operator: : 3 in service

Anchor tugs

* ''Chieftain''

anchor handling tug supply vessel Anchor Handling Tug Supply (AHTS) vessels are mainly built to handle anchors for oil rigs, tow them to location, and use them to secure the rigs in place. AHTS vessels sometimes also serve as Emergency Response and Rescue Vessels (ERRVs) and ...

** Builder: ** Displacement: 2,028 tons ** Operator: : 1 in service

Supply tugs

* ''Rari''-class supply tug ** Displacement: 1,550 tons ** Operator: : 2 in service

Harbour tugs

* ''Capstan''-class (65 Foot) small harbour tug (WYTL-65601) ** Builder: ** Displacement: 72 tons ** Operator: : 10 in commission * ''Lütje Hörn''-class (Type 725) harbour tug ** Builder: ** Operator: : 6 in service * ''Porto''-class harbour tug ** Builder: ** Displacement: 412 tons ** Operator: : 11 in service * ''Sleipner''-class harbour tug ** Builder: ** Displacement: 300 tons ** Operator: : 2 in service * ''Sylt''-class (Type 724) large harbour tug ** Builder: ** Operator: : 2 in service * Ville-class harbour tug ** Builder: ** Displacement: 46 tons ** Operator: : 5 in service * ''Wustrow''-class (Type 414) harbour tug ** Builder: ** Operator: : 2 in service

Coastal tugs

* ''Belier''-class coastal tug ** Displacement: 800 tons ** Operator: : 3 in service * ''Chamois''-class coastal tug and logistical support ship ** Displacement: 505 tons ** Operator: : 1 in service

Offshore tugs

* ''Abnaki'' class fleet ocean tug ** Builder: ** Displacement: 1,589 tons ** Operators: ***: 2 in service ***: 1 in service * ''Atlante''-class ocean tug ** Builder: ** Displacement: 750 tons ** Operator: : 2 in service * ''Barentshav''-class

offshore patrol vessel A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval ship, naval vessel generally designed for Coastal defence and fortification, coastal defence, Border control, border security, or law ...

** Builder: ** Displacement: 3,200 tons ** Operator: : 3 in commission * ''Ciclope''-class ocean tug ** Builder: ** Displacement: 660 tons ** Operator: : 6 in service * offshore tug ** Builder: ** Displacement: 560 tons ** Operator: * ''Goliat''-class ocean tug (Project 733) ** Builder: ** Displacement: 890 tons ** Operator: : 25 in service * ''Helgoland''-class large sea-going tug ** Builder: ** Operators: ***: 1 in service ***: 1 in service * MB-330 class ocean tug ** Builder: ** Displacement: 1,180 tons ** Operator: : 1 in service * ''Powhatan'' class fleet ocean tug (ATF 168) ** Builder: ** Displacement: 2,260 tons ** Operator: : 5 in commission * ''Roslavl''-class ocean tug (Project A-202) ** Builder: / ** Displacement: 625 tons ** Operators: *** : 11 in service *** : 4 in service * ''Sorum''-class fleet seagoing tug (Project 745) ** Builder: ** Displacement: 1,656 tons ** Operator: : 22 in service * ''Tenace''-class ocean tug ** Displacement: 1,400 tons ** Operator: : 2 in service * Type 802 ''Gromovoy'' class ocean tug ** Builder: / ** Displacement: 890 tons ** Operator: : 17 in service * Type 837 ''Hujiu'' class ocean tug ** Builder: ** Displacement: 750 tons ** Operator: : 8 in service * ''Wangerooge''-class seagoing tug ** Builder: ** Displacement: 798 tons ** Operators: ***: 2 in service ***: 1 in service

Fleet tugs

* ''Dinghai''-class fleet tug ** Builder: ** Displacement: 1,470 tons ** Operator: : 2 in service * ''Goryn''-class fleet tug (Project 563) ** Builder: ** Displacement: 2,200 tons ** Operator: : 9 in service

Training ships

:''See :Training ships * ''Amerigo Vespucci'' Tall ship ** Builder: ** Displacement: 4,146 tons ** Operator: : 1 in service * RFA ''Argus'' Aviation training ship ** Builder ** Displacement 28,081 tons ** Operator: , (

), 1 in service * '' Arung Samudera'' Tall ship ** Operator: * ''Capitán Miranda'' Tall ship ** Builder: ** Displacement: 852 tons ** Operator: * ''

Cisne Branco } *''For the similarly named official march of the Brazilian Navy, see Cisne Branco (march)'' ''Cisne Branco'' is a tall ship of the Brazilian Navy based at Rio de Janeiro, Brazil, to diplomatic operations worldwide. The name means "white swan." ...

'' Tall ship ** Builder: ** Displacement: 1,038 tons ** Operator: * UAM ''Creoula'' Tall ship ** Builder: ** Displacement: 1,321 tons ** Operator: * Tall ship ** Builder: ** Operator: * ''Fabian Wrede''-class training ship ** Builder: ** Displacement: 65 tons ** Operator: : 3 in service * USCGC ''Eagle'' Tall ship ** Builder: ** Displacement: 1,813 tons ** Operator: * NRP ''Sagres'' Tall ship ** Builder:

Blohm & Voss Blohm+Voss (B+V), also written historically as Blohm & Voss, Blohm und Voß etc., is a German shipbuilding and engineering company. Founded in Hamburg in 1877 to specialise in steel-hulled ships, its most famous product was the World War II battle ...

** Displacement: 1,755 long tons (1,783 tons) ** Operator: ** Sister ship to USCGC ''Eagle'' * ''Mircea'' Tall ship ** Builder:

** Operator: ** Sister ship to USCGC ''Eagle'' and NRP ''Sagres'' * ''Gorch Fock'' Tall ship ** Builder: ** Displacement: 2,006 tons ** Operator: ** Sister ship to USCGC ''Eagle'', NRP ''Sagres'', and ''Mircea'' * ARC ''Gloria'' Tall ship ** Builder: ** Displacement: 1,300 tons ** Operator: * BAE ''Guayas'' Tall ship ** Builder: ** Displacement: 1,300 tons ** Operator: ** Sister ship to ARC ''Gloria'' * ''Simón Bolívar'' Tall ship ** Builder: ** Displacement: 1,260 tons ** Operator: ** Sister ship to ARC ''Gloria'' and BAE ''Guayas'' * ARM ''Cuauhtémoc'' Tall ship ** Builder: ** Displacement: 1,800 tons ** Operator: ** Sister ship to ARC ''Gloria'', BAE ''Guayas'', and ''Simón Bolívar'' * ''Hiuchi''-class training support ship ** Builder: ** Displacement: 1,000 tons ** Operator: : 5 in service * HNoMS ''Horten'' training ship ** Builder: ** Displacement: 2,535 tons ** Operator: * ''Intermares'' training ship ** Builder: ** Displacement: 3,200 tons ** Operator: * ''Juan Sebastián de Elcano'' Tall ship ** Builder: ** Displacement: 3,673 tons ** Operator: * ''Esmeralda'' Tall ship ** Builder: ** Displacement: 3,754 tons ** Operator: ** Sister ship to ''Juan Sebastián de Elcano'' * ARA ''Libertad'' Tall ship ** Builder: ** Displacement: 3,765 tons ** Operator: * ''Mhadei''-class training sailboat ** Builder: ** Displacement: 23 tons ** Operator: : 2 in service * training sailboat ** Builder: ** Displacement: 93 tons ** Operator: * ''Palinuro'' Tall ship ** Builder: ** Displacement: 1,341 tons ** Operator: : 1 in service * ''Shiyan'' training ship ** Displacement: 6,000 tons ** Operator: * Tall ship ** Builder: ** Displacement: 513 tons ** Operator: * Tall ship ** Builder: ** Displacement: 513 tons ** Operator: ** Sister ship to * training ship ** Builder: ** Displacement: 3,200 tons ** Operator: * Type 82 training ship ** Builder: ** Displacement: 6,000 tons ** Operator: 1 in service * Type 679 (''Zheng He''-class) (NATO ''Daxing''-class) training ship ** Builder: ** Displacement: 5,548 tons ** Operator: * Type 680 (''Qi Jiguang''-class) training ship ** Builder: ** Displacement: 9,000 tons ** Operator: * Type 0891A (''Shichang''-class) training ship ** Builder: ** Displacement: 9,700 tons ** Operator: * BAP ''Unión'' Tall ship ** Builder: / ** Displacement: 3,200 tons ** Operator: * ''Yanxi''-class training ship ** Builder: ** Displacement: 1,200 tons ** Operator:

Yachts

* ''Argo (MEN209)'' Presidential Yacht ** Builder: ** Displacement: 64.47 tons ** Operator: * HDMY ''Dannebrog'' Royal Yacht ** Builder: ** Displacement: 1,295 tons ** Operator: * ARA ''Fortuna III'' racing yacht ** Builder: ** Displacement: 15.5 tons ** Operator: * accommodation yacht ** Builder: ** Displacement: 490 tons ** Operator: * HNoMY ''Norge'' Royal Yacht ** Builder: ** Displacement: 1,628 tons ** Operator:

References

{{Warship types of the 19th & 20th centuries Auxiliary ship classes in service Auxiliary ship classes