List of auxiliary ship classes in service

The list of auxiliary ship classes in service includes all auxiliary ships in naval service in the world. For combatant ships, see the list of naval ship classes in service.

This list is incomplete; you can help by adding missing items. (December 2020)

• Andenes command ship
  • Builder:  Norway
  • Displacement: 3,000 tons
  • Operator:  Royal Norwegian Navy: 3 in commission

• HSwMS Trossö Command ship
  • 2,140 tones
  • Operator:  Swedish Navy

• Kozara river command ship
  • Builder:  Germany
  • Displacement: 600 tons
  • Operator:  Republic of Singapore Navy

• Blue Ridge-class joint command ship (LCC-19)
  • Builder:  United States
  • Displacement: 19,700 tons
  • Operator:  United States Navy: 2 in commission

• Godetia tender
  • Displacement: 2,500 tons
  • Operator:  Belgian Navy

• Absalon-class flexible support ship / flexible combat vessel
  • Builder:  Denmark
  • Displacement: 4500 tons (light), 6,600 tons (full load)
  • Operator:  Royal Danish Navy: 2 ships commissioned. (Arguably a support ship, armed as a frigate)

• Karel Doorman-class multi-function support ship
  • Builder:  Netherlands
  • Displacement: max 27,500 tons
  • Operator:  Royal Netherlands Navy: 1 commissioned around 2014

• HMNZS Manawanui multi-role offshore support ship
  • Builder:  Norway
  • Displacement: 5,741 tons
  • Operator:  Royal New Zealand Navy

• Shichang multi-role training/support ship
  • Displacement: 9,500 tons
  • Operator:  People's Liberation Army Navy

• Mercy-class hospital ship (AH-19)
  • Builder:  United States
  • Displacement: 69,360 tonnes
  • Operator:  United States Navy: 2 in commission

• Project 320A hospital ship
  • Builder:  Soviet Union
  • Displacement: 11570 tonnes
  • Operator:  Russian Navy: 2 in commission

• RFA Argus Primary Casualty Receiving Ship (A135)
  • builder:  Italy converted by  United Kingdom
  • Displacement: 28,081 tonnes
  • Operator:  Royal Navy (Royal Fleet Auxiliary)

• Daishan Dao-class hospital ship (866)
  • Builder:  People's Republic of China
  • Displacement: 14,000 tonnes
  • Operator:  People's Liberation Army Navy

• Zhuanghe medical evacuation ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy

• Qiongsha class ambulance transport ship
  • Builder:  People's Republic of China
  • Displacement: 2,150 tonnes
  • Operator:  People's Liberation Army Navy: 1 in commission

• Beiyi 01-class fast ambulance craft
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 5 in commission

• • Builder:  People's Republic of China
  • Displacement: 410 tonnes
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 072-class ammunition ship
  • Builder:  People's Republic of China
  • Displacement: 4,170 tonnes
  • Operator:  People's Liberation Army Navy: 3 in service

• Yuan Wang 21 missile/rocket ammunition ship
  • Builder:  People's Republic of China
  • Displacement: 9,080 tonnes
  • Operator:  People's Liberation Army Navy

• Yuan Wang 22 missile/rocket ammunition ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy

• Fort Rosalie-class replenishment ship
  • Builder:  United Kingdom
  • Displacement: 23,890 tons
  • Operator:  Royal Navy, ( Royal Fleet Auxiliary), 2 in service

• Lewis and Clark-class dry cargo/ammunition ship (T-AKE-1)
  • Builder:  United States
  • Displacement: 41,000 tons
  • Operator:  United States Navy: 14 in commission

• Poolster-class replenishment ship
  • Builder:  Netherlands
  • Displacement: 16,836 tons
  • Operator:  Pakistan Navy: 1 in service

• Type 903 (Fuchi-class) replenishment ship
  • Builder:  People's Republic of China
  • Displacement: 20,500 tons
  • Operator:  People's Liberation Army Navy: 2 in commission

• Type 903A-class replenishment ship
  • Builder:  People's Republic of China
  • Displacement: 23,400 tons
  • Operator:  People's Liberation Army Navy

• Type 904 (Dayun-class) stores ship
  • Builder:  People's Republic of China
  • Displacement: 10,975 tons
  • Operator:  People's Liberation Army Navy: 2 in service

• Type 908 (Fusu- or Nancang-class) replenishment ship
  • Builder:  Soviet Union
  • Displacement: 37,000 tons
  • Operator:  People's Liberation Army Navy: 1 in commission

• Westerwald-class transport ship
  • Builder:  Germany
  • Displacement: 4,042 tons
  • Operator:  German Navy: 1 in service

• Cheonji-class fast combat support ship
  • Builder:  South Korea
  • Displacement: 9,113 tons
  • Operator  Republic of Korea Navy: 3 in service

• Panshih-class (AOE-532) fast combat support ship
  • Builder:  Republic of China
  • Displacement: 20,000 tons
  • Operator:  Republic of China Navy: 1 in service

• Supply-class fast combat replenishment ship (AOE-6)
  • Builder:  United States
  • Displacement: 50,000 tons
  • Operator:  United States Navy: 2 in commission

• Type 901 class fast combat support ship
  • Builder:  People's Republic of China
  • Displacement: 45,000 tons
  • Operator:  People's Liberation Army Navy: 2 in commission
• Derya class fast combat support ship
  • Builder:  Turkey
  • Displacement: 26,000 tons
  • Operator:  Turkish Navy: 1 in service

• Akar-class replenishment oiler
  • Builder:  Turkey
  • Displacement: 19,350 tons
  • Operator:  Turkish Navy: 2 in service

• HMNZS Aotearoa replenishment oiler
  • Builder:  South Korea
  • Displacement: 26,000 tons
  • Operator:  Royal New Zealand Navy

• Berlin-class (Type 702) combat support ship
  • Builder:  Germany
  • Displacement: 20,240 tons
  • Operator  German Navy: 3 in service

• Cantabria (A15) replenishment oiler
  • Builder:  Spain
  • Displacement: 19,500 tons
  • Operator:  Spanish Navy, 1 in service

• Durance-class replenishment oiler
  • Builder:  France /  Australia
  • Displacement: 17,900 tons
  • Operators:
    •  French Navy: 4 in service
    •  Argentine Navy: 1 in service, former Durance
    •  Royal Australian Navy: 1 in service as HMAS Success (built in Australia)
• HS Orion replenishment oiler
  • Builder:  Greece
  • Displacement: 643 tons
  • Operator:  Hellenic Navy

• Fort Victoria-class replenishment oiler
  • Builder:  United Kingdom
  • Displacement: 32,818 tons
  • Operator:  Royal Navy, ( Royal Fleet Auxiliary), 1 in service

• Mashū-class replenishment oiler
  • Builder:  Japan
  • Displacement: 25,000 tons
  • Operator:  Japan Maritime Self-Defense Force: 2 in service

• HNoMS Maud replenishment oiler
  • Builder:  South Korea /  Norway
  • Displacement: 27,500 tons
  • Operator:  Royal Norwegian Navy

• Patiño replenishment oiler
  • Builder:  Spain
  • Displacement: 17,045 tons
  • Operator:  Spanish Navy, 1 in service

• HMAS Sirius replenishment tanker
  • Builder:  South Korea
  • Displacement: 25,000 tons
  • Operator:  Royal Australian Navy: 1 in service

• Stromboli-class replenishment ship
  • Builder:  Italy
  • Displacement: 8,700 tons
  • Operator:  Marina Militare: 2 in service

• Tide-class replenishment oiler
  • Builder:  South Korea /  United Kingdom
  • Displacement: 39,000 tons
  • Operator:  Royal Navy, ( Royal Fleet Auxiliary), 4 in service

• Towada-class replenishment oiler
  • Builder:  Japan
  • Displacement: 15,000 tons
  • Operator:  Japan Maritime Self-Defense Force: 3 in service

• Beiyou 572-class replenishment oiler
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 4 in service

• Type 631-class replenishment oiler
  • Builder:  People's Republic of China
  • Displacement: 2,300 tons
  • Operator:  People's Liberation Army Navy: 7 in service

• Type 905 (Fuqing-class) replenishment oiler
  • Builder:  People's Republic of China
  • Displacement: 21,750 tons
  • Operator:  Pakistan Navy: 1 in service

• Alyay-class fleet oiler (Project 160)
  • Builder:  Finland
  • Displacement: 7,225 tons
  • Operator:  Russian Navy: 4 in service

• Boris Chilikin-class fleet oiler (Project 1559)
  • Builder:  Soviet Union
  • Displacement: 22,460 tons
  • Operator:  Russian Navy: 4 in service

• BAP Tacna fleet oiler
  • Builder:  Netherlands
  • Displacement: 17,040 tons
  • Operator:  Peruvian Navy, 1 in service

• Chesapeake-class transport tanker (AOT-5084)
  • Builder:  United States
  • Displacement: 65,000 tons
  • Operator:  United States Navy: 2 in commission

• Dubna-class fleet oiler
  • Builder:  Soviet Union
  • Displacement: 11,140 tons
  • Operator:  Russian Navy: 2 in service

• Gus W. Darnell-class transport tanker (AOT-1125)
  • Builder:  United States
  • Displacement: 40,000 tons
  • Operator:  United States Navy: 5 in commission

• Henry J. Kaiser-class fleet oiler
  • Builder:  United States
  • Displacement: 42,000 tons
  • Operators:
    •  United States Navy: 13 in commission
    •  Chilean Navy: 1 in commission

• Olekma-class fleet oiler
  • Builder:  Finland
  • Displacement: 6,440 tons
  • Operator:  Russian Navy: 2 in service

• Panarea-class gasoline tanker
  • Builder:  Italy
  • Displacement: 863 tons
  • Operator:  Marina Militare: 4 in service

• Rhön-class tanker
  • Builder:  Germany
  • Displacement: 14,169 tons
  • Operator:  German Navy, 2 in service

• Rover-class tanker
  • Builder:  United Kingdom
  • Displacement: 11,500 tons (loaded)
  • Operators:
    •  Indonesian Navy, 1 in service
    •  Portuguese Navy, 1 in service
    •  Royal Navy ( Royal Fleet Auxiliary), 2 in service

• Uda-class fleet oiler (Project 577)
  • Builder:  Soviet Union
  • Displacement: 7,160 tons
  • Operator:  Russian Navy: 5 in service

• Vyaz'ma fleet oiler
  • Displacement: 8,900 tons
  • Operator:  Russian Navy

• Walchensee-class tanker
  • Builder:  Germany
  • Displacement: 2,191 tons
  • Operator:  German Navy, 2 in service

• Wave-class tanker
  • Builder:  United Kingdom
  • Displacement: 34,500 tons
  • Operator:  Royal Navy, ( Royal Fleet Auxiliary), 2 in service
• Albay Hakkı Burak class oil tanker
  • Builder:  Turkey
  • Displacement: 3,200 tons
  • Operator:  Turkish Navy: 2 in service

• Fuzhou-class coastal tanker
  • Builder:  People's Republic of China
  • Displacement: 1,200 tons
  • Operator:  People's Liberation Army Navy: 32 in service

• Jinyou-class coastal tanker
  • Builder:  People's Republic of China
  • Displacement: 4,800 tons
  • Operator:  People's Liberation Army Navy: 3 in service

• Khobi-class coastal tanker
  • Builder:  Soviet Union
  • Displacement: 1,525 tons
  • Operators:
    •  Albanian Naval Force: 1 delivered in 1959

• Leizhou-class coastal tanker
  • Builder:  People's Republic of China
  • Displacement: 900 tons
  • Operator:  People's Liberation Army Navy: 9 in service

• Type 620 (Shengli-class) coastal tanker
  • Builder:  People's Republic of China
  • Displacement: 4,940 tons
  • Operator:  People's Liberation Army Navy: 2 in service

• Type 632 (Fulin-class) coastal tanker
  • Builder:  People's Republic of China
  • Displacement: 2,200 tons
  • Operator:  People's Liberation Army Navy: 19 in service

• Simeto-class water tanker
  • Builder:  Italy
  • Displacement: 1,968 tons
  • Operators:
    •  Marina Militare: 2 in service
    •  Tunisian National Navy: 1 in service

• Elbe-class (Type 404) tender
  • Builder:  Germany
  • Displacement: 3,586 tons
  • Operator  German Navy: 6 in service

• Lubin-class small craft support ship
  • Builder: BSO Split
  • Displacement: 880 tons
  • Operator:  Navy of Serbia and Montenegro: 1 in service of 3 built

• Rhin-class tender
  • Displacement: 2,445 tons
  • Operator:  French Navy: 2 in service

• Vis small craft command and support ship
  • Builder:  ??^{[citation needed]}
  • Displacement: 680 tons
  • Operator:  Navy of Serbia and Montenegro

• Class A Balsam-class buoy tender
  • Builder:  United States
  • Displacement: 1,025 tons
  • Operators:
    •  Estonian Navy: 1 delivered in 1997 from the US Coast Guard
    •  United States Coast Guard: 5 in commission

• Gasconade-class river buoy tender (WLR-75401)
  • Builder:  United States
  • Displacement: 141 tons
  • Operator:  United States Coast Guard: 9 in commission

• Juniper-class buoy tender (WLB-201)
  • Builder:  United States
  • Displacement: 2,000 tons
  • Operator:  United States Coast Guard: 16 in commission

• Keeper-class buoy tender
  • Builder:  United States
  • Displacement: 840 tons
  • Operator:  United States Coast Guard: 14 in commission

• Ouachita-class buoy tender (WLR-65501)
  • Builder:  United States
  • Displacement: 143 tons
  • Operator:  United States Coast Guard: 6 in service

• Type 066 class buoy tender
  • Builder:  People's Republic of China
  • Displacement: 70 tons
  • Operator:  People's Liberation Army Navy

• Type 744-class buoy tender
  • Builder:  People's Republic of China
  • Displacement: 1750 tons
  • Operator:  People's Liberation Army Navy

• Type 911I-class buoy tender
  • Builder:  People's Republic of China
  • Displacement: 135 tons
  • Operator:  People's Liberation Army Navy

• Type 999-class buoy tender
  • Builder:  People's Republic of China
  • Displacement: 95 tons
  • Operator:  People's Liberation Army Navy

• Alcyon-class ocean tug and buoy tender
  • Displacement: 1,500 tons
  • Operator:  French Navy: 2 in service

• Type 904I-class dive tender
  • Builder:  People's Republic of China
  • Displacement: 1,354.8 tons
  • Operator:  People's Liberation Army Navy

• Type 904II-class dive tender
  • Builder:  People's Republic of China
  • Displacement: 1,327 tons
  • Operator:  People's Liberation Army Navy

• Vulcain diving tender
  • Builder:  France
  • Displacement: 490 tons
  • Operator:  French Navy

• Kashtan submersible support ship
  • Displacement: 5,250 tons
  • Operator:  Russian Navy

• Kommuna submersible support ship
  • Displacement: 2,450 tons
  • Operator:  Russian Navy

• Malina-class submarine tender (Project 2020)
  • Builder:  Soviet Union /  Ukraine
  • Displacement: 13,900 tons
  • Operator:  Russian Navy: 3 in service

• Mercuur class submarine tender
  • Builder:  Netherlands
  • Displacement: 1,400 Tons
  • Operator:  Royal Netherlands Navy

• Pionier Moskvyy-class submersible support ship (Project 05360)
  • Builder:  Soviet Union
  • Displacement: 7,960 tons
  • Operator:  Russian Navy: 4 in service

• Ugra-class submarine tender (Project 1886.1)
  • Builder:  Soviet Union
  • Displacement: 9,650 tons
  • Operator:  Russian Navy: 2 in service

• Type 925 (Dajiang-class) submarine tender and salvage ship
  • Builder:  People's Republic of China
  • Displacement: 10,087 tons
  • Operator:  People's Liberation Army Navy: 3 in service

• Type 926-class submarine support ship
  • Builder:  People's Republic of China
  • Displacement: 9,500 tons
  • Operator:  People's Liberation Army Navy: 3 in service

• Bereza-class degaussing ship (Project 130)
  • Builder:  Poland
  • Displacement: 2,050 tons
  • Operators:
    •  Russian Navy: 17 in service
    •  Bulgarian Navy: 1 in service

• Pelym-class degaussing ship (Project 1799)
  • Builder:  Soviet Union
  • Displacement: 1,200 tons
  • Operator:  Russian Navy: 17 in service

• Type 911 degaussing ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 2 in service

• Type 912 degaussing ship
  • Builder:  People's Republic of China
  • Displacement: 828 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 912I degaussing ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 912III (Yanbai class) degaussing ship
  • Builder:  People's Republic of China
  • Displacement: 570 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 912IIIA degaussing ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 2 in service

• Type 912IIIAH degaussing ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 3 in service

• Aditya-class replenishment and repair ship
  • Builder:  India
  • Displacement: 24,612 tons
  • Operator:  Indian Navy: 1 in service

• Amur-class repair ship (Project 304)
  • Builder:  Poland
  • Displacement: 5,500 tons
  • Operator:  Russian Navy: 11 in service

• Emory S. Land-class submarine tender/repair ship (AS-39)
  • Builder:  United States
  • Displacement: 22,900 tons
  • Operator:  United States Navy: 2 in commission

• Garonne-class small repair ship
  • Displacement: 2,320 tons
  • Operator:  French Navy

• Oskol-class repair ship (Project 300/301/303)
  • Builder:  Poland
  • Displacement: 2,700 tons
  • Operator:  Russian Navy: 8 in service

• Type 648 (Dadao-class) submarine repair ship
  • Builder:  People's Republic of China
  • Displacement: 1,962 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• 120t class dry dock
  • Builder:  People's Republic of China
  • Displacement: 526.49 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Dongxiu 912-class dry dock
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 1 in service

• Hua Chuan No. 1-class dry dock
  • Builder:  People's Republic of China
  • Displacement: 13,000 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Dredger 1 dredger
  • Builder:  India
  • Operator:  Indian Navy

• 8-m³ class dredger
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy

• Beijun 204-class dredger
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy

• Dongjun 417-class dredger
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy

• Dongjun 433-class dredger
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy

• Dongjun 434-class dredger
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy

• Nanjun 610-class dredger
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy

• Diamond State-class crane ship (ACS-7)
  • Builder:  United States
  • Displacement: 31,500 tons
  • Operator:  United States Navy: 2 in commission

• Gopher State-class crane ship (ACS-4)
  • Builder:  United States
  • Displacement: 25,000 tons
  • Operator:  United States Navy: 3 in commission

• Green Mountain State-class crane ship (ACS-9)
  • Builder:  United States
  • Displacement: 31,500 tons
  • Operator:  United States Navy: 2 in commission

• Keystone State-class crane ship (ACS-1)
  • Builder:  United States
  • Displacement: 31,500 tons
  • Operator:  United States Navy: 3 in commission

• Anvil-class inland construction tender (WLIC-75301)
  • Builder:  United States
  • Displacement: 145 tons
  • Operator:  United States Coast Guard: 8 in service

• Pamlico-class inland construction tender (WLIC-800)
  • Builder:  United States
  • Displacement: 416 tons
  • Operator:  United States Coast Guard: 4 in commission

• Type 890 (Youzheng-class) cable ship
  • Builder:  People's Republic of China
  • Displacement: 750 tons
  • Operator:  People's Liberation Army Navy: 3 in service

• Type 991II (Youdian-class) cable ship
  • Builder:  People's Republic of China
  • Displacement: 1,550 tons
  • Operator:  People's Liberation Army Navy: 9 in service, including 3 modified as buoy tenders

• USNS Zeus cable ship (ARC-7)
  • Displacement: 15,000 tons
  • Operator:  United States Navy

• Hibiki-class ocean surveillance ship
  • Builder:  Japan
  • Displacement: 3,861 tons
  • Operator:  Japan Maritime Self-Defense Force: 2 in service

• Impeccable-class Ocean Surveillance Ship (T-AGOS-23)
  • Displacement: 5,368 tons
  • Operator:  United States Navy

• Stalwart-class Ocean Surveillance Ship (T-AGOS-1)
  • Builder:  United States
  • Displacement: 2,285 tons
  • Operators
    •  United States Navy
    •  Portuguese Navy: 2 in service

• Victorious-class Ocean Surveillance Ship (T-AGOS-19)
  • Builder:  United States
  • Displacement: 3,370 tons
  • Operator:  United States Navy: 4 in commission

• Alpinist-class electronic surveillance ships (Project 503M)
  • Builder:  Soviet Union
  • Displacement: 1,140 tons
  • Operator:  Russian Navy: 3 in service

• Bougainville electronic surveillance ship
  • Displacement: 10,250 tons
  • Operator:  French Navy

• FS Eger electronic surveillance ship
  • Builder:  Norway
  • Displacement: 7,560 tons
  • Operator:  Royal Norwegian Navy

• Elettra-class electronic surveillance ship
  • Builder  Italy
  • Displacement: 3,180 tons
  • Operators:
    •  Marina Militare, NATO: 1 in service
    •  Marina Militare: 1 in service
    •  Republic of China Navy: 1 in service

• Lira-class electronic surveillance ship (Project 1826)
  • Builder:  Soviet Union
  • Displacement: 4,900 tons
  • Operator:  Russian Navy: 1 in service

• FS Marjata electronic surveillance ship
  • Builder:  Norway
  • Displacement: 5,300 tons
  • Operator:  Royal Norwegian Navy

• Oste-class (Type 423) electronic surveillance ship
  • Builder:  Germany
  • Displacement: 3,200 tons
  • Operator:  German Navy: 3 in service

• Primor'ye-class electronic surveillance ship (Project 394B)
  • Builder:  Soviet Union
  • Displacement: 4,340 tons
  • Operator:  Russian Navy: 2 in service

• Vishnaya-class electronic surveillance ship (Project 864)
  • Builder:  Soviet Union
  • Displacement: 3,470 tons
  • Operator:  Russian Navy: 7 in service

• Type 814A (Dadie-class) electronic surveillance ship
  • Builder:  People's Republic of China
  • Displacement: 2,198 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 815-class electronic surveillance ship
  • Builder:  People's Republic of China
  • Displacement: 6,000 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 815A-class electronic surveillance ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 4 in service

• Type 815G-class electronic surveillance ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 4 in service
• Ufuk class signals intelligence gathering vessel
  • Builder:  Turkey
  • Displacement: 2250 tons
  • Operator:  Turkish Navy: 1 in service

• Monge missile tracking ship
  • Displacement: 21,040 tons
  • Operator:  French Navy

• Observation Island Missile Range Instrumentation Ship (T-AGM-23)
  • Displacement: 17,000 tons
  • Operator:  United States Navy

• Waters navigation research and missile tracking ship (T-AGS-45)
  • Displacement: 12,000 tons
  • Operator:  United States Navy

• Yuan Wang-class missile tracking and space event support ship
  • Builder:  People's Republic of China
  • Displacement: 21,000 tons
  • Operator:  People's Liberation Army Navy: 4 in service

• Alliance (A 5345) research ship
  • Builder:  Italy
  • Displacement: 3,120 tons
  • Operator:  Marina Militare, NATO

• JS Asuka experimental ship
  • Builder:  Japan
  • Displacement: 6,299 tons
  • Operator:  Japan Maritime Self-Defense Force

• RV Belgica coastal research ship
  • Displacement: 835 tons
  • Operator:  Ukraine

• Helmsand-class trial and fleet service ships (Type 748)
  • Builder:  Germany
  • Operator:  German Navy: 3 in service

• Leonardo (A 5301) research ship
  • Builder  Italy
  • Displacement: 337 tons
  • Operator:  Marina Militare

• Planet-class (Type 751) research ship (SWATH vessel)
  • Builder:  Germany
  • Displacement: 3,500 tons
  • Operator:  German Navy: 1 in service

• Rossetti-class research ship
  • Builder:  Italy
  • Displacement: 324 tons
  • Operator:  Marina Militare, 2 in service

• Shijian-class research ship
  • Builder:  People's Republic of China
  • Displacement: 3,000 tons
  • Operator:  People's Liberation Army Navy: 3 in service

• Type 6610 (Shuguang-class) research ship
  • Builder:  People's Republic of China
  • Displacement: 2,400 tons
  • Operator:  People's Liberation Army Navy: 8 in service

• Wilhelm Pullwer-class trial boat (Type 741)
  • Builder:  Germany
  • Operator:  German Navy: 1 in service

• Xiangyanghong-class research ship
  • Builder:  People's Republic of China
  • Displacement: 10,000 tons
  • Operator:  People's Liberation Army Navy: 12 in service in various configurations

• Yanlun-class research ship
  • Builder:  People's Republic of China
  • Displacement: 2,000 tons
  • Operator:  People's Liberation Army Navy: 3 in service

• Yannan-class research ship
  • Builder:  People's Republic of China
  • Displacement: 1,750 tons
  • Operator:  People's Liberation Army Navy: 4 in service

• USNS Hayes acoustic trials ship (T-AG-195)
  • Displacement: 4,000 tons
  • Operator:  United States Navy

• INS Sagardhwani acoustic research ship
  • Builder:  India
  • Displacement: 2,083 tons
  • Operator:  Indian Navy

• Baldur-class coastal survey ship
  • Builder:  Iceland
  • Displacement: 50 tons
  • Operator:  Icelandic Coast Guard: 1 in commission

• ARA Comodoro Rivadavia coastal hydrographic survey ship
  • Builder:  Argentina
  • Displacement: 827 tons
  • Operator:  Argentine Navy

• USNS John McDonnell coastal survey ship (T-AGS-51)
  • Builder:  United States
  • Displacement: 2,000 tons
  • Operator:  United States Navy: 2 in commission

• Lapérouse-class survey ship
  • Displacement: 980 tons
  • Operator:  French Navy: 4 in service

• Makar-class hydrographic survey catamaran
  • Builder:  India
  • Displacement: 500 tons
  • Operator:  Indian Navy

• Moma-class survey ship (Project 861)
  • Builder:  Soviet Union /  Poland
  • Displacement: 1,600 tons
  • Operator:  Croatian Navy: 1 in service

• Sandhayak-class survey ship
  • Builder:  India
  • Displacement: 1,960 tons
  • Operator:  Indian Navy: 7 in service

• HMS Scott ocean survey vessel
  • Builder  United Kingdom
  • Displacement: 13,500 tons
  • Operator:  Royal Navy 1 in service

• Type 635 A/B/C (Yanlai class) hydrographic survey ship
  • Builder:  People's Republic of China
  • Displacement: 1,100 tons
  • Operator:  People's Liberation Army Navy: 4 in service

• Valerian Uryvayav-class survey ship
  • Builder:  Soviet Union
  • Displacement: 1,050 tons
  • Operators:
    •  Lithuanian Naval Force: 1 delivered in 1991 for training and coastal survey
• Çubuklu class survey ship
  • Builder:  Turkey
  • Displacement: 643 tons
  • Operator:  Turkish Navy: 1 in service

• ARA Austral (Q-21) hydro-oceanographic survey ship
  • Builder:  Germany
  • Displacement: 4,952 tons
  • Operator:  Argentine Navy

• Ninfe-class hydro-oceanographic research ship
  • Builder  Italy
  • Displacement: 415 tons
  • Operator:  Marina Militare: 2 in service

• Cabo de Hornos oceanographic research ship
  • Builder:  Norway / ASMAR Chile  Chile
  • Displacement: 3,020 tons
  • Operator:  Chilean Navy: 1 in service

• Ammiraglio Magnaghi oceanographic research ship
  • Builder  Italy
  • Displacement: 1,744 tons
  • Operator:  Marina Militare

• Melville-class oceanographic research/survey ship (T-AGOR-14)
  • Builder:  United States
  • Displacement: 2,670 tons
  • Operator:  United States Navy: 2 in commission

• Pathfinder-class oceanographic research/survey ship (AGS 60)
  • Builder:  United States
  • Displacement: 4,750 tons
  • Operator:  United States Navy: 6 in commission

• Thomas G. Thompson class oceanographic research/survey ship (T-AGOR-23)
  • Builder:  United States
  • Displacement: 3,250 tons
  • Operator:  United States Navy: 3 in commission
• Çeşme class oceanographic survey ship
  • Builder:  United States
  • Displacement: 2,550 tons
  • Operator:  Turkish Navy: 1 in service

• BIO Las Palmas polar oceanographic research vessel
  • Builder:  Spain
  • Displacement: 1,500 tons
  • Operator:  Spanish Navy

• ARA Puerto Deseado polar oceanographic survey vessel
  • Builder:  Argentina
  • Displacement: 2,400 tons
  • Operator:  Argentine Navy

• Eisvogel-class icebreaker
  • Builder:  Germany
  • Displacement: 560 tons
  • Operators:
    •  Marina Militare: 1 in service
    •  Royal Netherlands Navy: 1 in service

• Type 272 class icebreaker
  • Builder:  People's Republic of China
  • Displacement: 4,860 tons
  • Operator:  People's Liberation Army Navy: 2 in service

• USCGC Mackinaw lake icebreaker (WLBB-30)
  • Displacement: 3,500 tons
  • Operator:  United States Coast Guard

• Type 071G class icebreaker and electronic surveillance ship
  • Builder:  People's Republic of China
  • Displacement: 3,192 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 210 class electronic surveillance / hydrographic research icebreaker
  • Builder:  People's Republic of China
  • Displacement: 4,420 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• USCGC Healy polar icebreaker (WAGB-20)
  • Builder:  United States
  • Displacement: 16,400 tons
  • Operator:  United States Coast Guard

• Polar-class polar icebreaker (WAGB-10)
  • Builder:  United States
  • Displacement: 13,600 tons
  • Operator:  United States Coast Guard: 1 in commission

• Shirase (AGB-5003) polar icebreaker
  • Builder:  Japan
  • Displacement: 20,000 tons
  • Operator:  Japan Maritime Self-Defense Force

• NoCGV Svalbard polar icebreaker/offshore patrol vessel
  • Builder:  Norway
  • Displacement: 6,500 tons
  • Operator:  Royal Norwegian Navy

• ARA Almirante Irízar polar research icebreaker
  • Builder:  Finland
  • Displacement: 14,899 tons
  • Operator:  Argentine Navy

• BIO Hespérides polar oceanographic research icebreaker
  • Builder:  Spain
  • Displacement: 2750 tons
  • Operator:  Spanish Navy

• Bay-class icebreaking tug (WTGB-101)
  • Builder:  United States
  • Displacement: 660 tons
  • Operator:  United States Coast Guard: 9 in commission

• Etna-class Logistics Support Vessel
  • Builder:  Italy
  • Displacement: 13,400 tons
  • Operator:
    •  Marina Militare: 1 in service
    •  Hellenic Navy: 1 in service

• Honqui-class coastal freighter
  • Builder:  People's Republic of China
  • Displacement: 1,950 tons
  • Operator:  People's Liberation Army Navy: 7 in service

• Qiongsha-class cargo ship
  • Builder:  People's Republic of China
  • Displacement: 2,150 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• HNoMS Valkyrien support ship
  • Builder:  Norway
  • Displacement: 3,000 tons
  • Operator:  Royal Norwegian Navy: 1 in service

• Vulcano-class Logistics Support Ship
  • Builder:  Italy
  • Displacement: 23,500 tons
  • Operator:  Marina Militare: 1 on building
• Yüzbaşı Güngör Durmuş class Logistics Support Ship
  • Builder:  Turkey
  • Displacement: 8,477 tons
  • Operator:  Turkish Navy: 2 in service

• HMNZS Canterbury multi role vessel
  • Builder:  Netherlands /  Australia
  • Displacement: 9,000 tons
  • Operator:  Royal New Zealand Navy

• Cape Ann-class general cargo ship (AK-5009)
  • Builder:  United States
  • Displacement: 20,110 tons
  • Operator:  United States Navy: 4 in commission

• Cape Breton-class general cargo ship (AK-5056)
  • Builder:  United States
  • Displacement: 21,000 tons
  • Operator:  United States Navy: 4 in commission

• Cape Girardeau-class container/bulk cargo ship (AK-2039)
  • Builder:  United States
  • Displacement: 32,000 tons
  • Operator:  United States Navy: 2 in commission

• Cape John-class general cargo ship (AK-5022)
  • Builder:  United States
  • Displacement: 23,000 tons
  • Operator:  United States Navy: 4 in commission

• Costa Sur-class container/general cargo ship
  • Builder:  Argentina
  • Displacement: 10,894 tons
  • Operator:  Argentine Navy: 3 in service

• MV Asterix container ship
  • Builder:  Germany
  • Operator:  Royal Canadian Navy

• Page class container ship (AKR-4496)
  • Builder:  United States
  • Displacement: 74,500 tons
  • Operator:  United States Navy: 2 in commission

• 1st Lt Harry L. Martin Marine Corps prepositioning ship (AK-3015)
  • Builder:  Germany
  • Displacement: 51,531 tons
  • Operator:  United States Navy

• 2nd Lieutenant John P. Bobo-class Marine Corps prepositioning ship (AK-3008)
  • Builder:  United States
  • Displacement: 46,000 tons
  • Operator:  United States Navy: 5 in commission

• Gordon-class army prepositioning ship (AKR-296)
  • Builder:  Denmark /  United States
  • Displacement: 65,000 tons
  • Operator:  United States Navy: 2 in commission

• Corporal Louis J. Hauge Jr.-class Marine Corps prepositioning ship (AK-3000)
  • Builder:  United States
  • Displacement: 44,000 tons
  • Operator:  United States Navy: 5 in commission

• Sergeant Matej Kocak-class Marine Corps prepositioning ship (AK-3005)
  • Builder:  United States
  • Displacement: 51,612 tons
  • Operator:  United States Navy: 3 in commission

• LCPL Roy M. Wheat Marine Corps prepositioning ship (AK-3016)
  • Builder:  Soviet Union /  United States
  • Displacement: 50,570 tons
  • Operator:  United States Navy

• Shughart-class army prepositioning ship (AKR-295)
  • Builder:  Denmark
  • Displacement: 54,300 tons
  • Operator:  United States Navy: 2 in commission

• Algol-class fast vehicle cargo ship (AKR 287)
  • Builder:  Netherlands
  • Displacement: 55,355 tons
  • Operator:  United States Navy: 8 in commission

• Bob Hope-class army vehicle prepositioning ship (AKR-300)
  • Builder:  United States
  • Displacement: 62,000 tons
  • Operator:  United States Navy: 7 in commission

• Cape Ducato-class roll-on/roll-off vehicle cargo ship (AKR-5051)
  • Builder:  France /  Sweden
  • Displacement: 34,790 tons
  • Operator:  United States Navy: 5 in commission

• Cape Hudson-class vehicle cargo ship (AKR-5066)
  • Builder:  Japan /  Norway
  • Displacement: 51,000 tons
  • Operator:  United States Navy: 3 in commission

• Cape Island-class vehicle cargo ship (AKR-10)
  • Builder:  United States
  • Displacement: 33,900 tons
  • Operator:  United States Navy: 4 in commission

• Cape Knox-class vehicle cargo ship (AKR-5082)
  • Builder:  Japan
  • Displacement: 29,200 tons
  • Operator:  United States Navy: 2 in commission

• Cape Lambert-class vehicle cargo ship (AKR-5077)
  • Builder:  United States
  • Displacement: 30,360 tons
  • Operator:  United States Navy: 2 in commission

• Cape Rise-class vehicle cargo ship (AKR-9678)
  • Builder:  United States
  • Displacement: 32,000 tons
  • Operator:  United States Navy: 3 in commission

• Cape Texas-class vehicle cargo ship (AKR-112)
  • Builder:  United States
  • Displacement: 24,550 tons
  • Operator:  United States Navy: 3 in commission

• Cape Vincent-class vehicle cargo ship (AKR-9666)
  • Builder:  United States
  • Displacement: 28,200 tons
  • Operator:  United States Navy: 2 in commission

• Cape Washington-class vehicle cargo ship (AKR-9961)
  • Builder:  Poland
  • Displacement: 53,600 tons
  • Operator:  United States Navy: 2 in commission

• General Frank S. Besson-class Logistics Support Vessel (LSV-1)
  • Builder:  United States
  • Displacement: 4,199 long tons
  • Operator:
    •  United States Navy: 8 in commission
    •  Philippine Navy: 2 in commission

• GySgt Fred W. Stockham army prepositioning ship (AK-3017)
  • Builder:  Denmark
  • Displacement: 55,500 tons
  • Operator:  United States Navy

• Round Table-class Landing Ship Logistic
  • Builder:  United Kingdom
  • Displacement: 6,000 to 8,751 tons
  • Operator:  Brazilian Navy: 2 in service

• LTC Calvin P. Titus-class container/vehicle cargo ship (AK-5089)
  • Builder:  United States
  • Displacement: 48,000 tons
  • Operator:  United States Navy: 3 in commission

• Watson-class army prepositioning ship (AKR-310)
  • Builder:  United States
  • Displacement: 62,600 tons
  • Operator:  United States Navy: 8 in commission

• Wright-class aviation logistics ship (T-AVB-3)
  • Builder:  United States
  • Displacement: 23,800 tons
  • Operator:  United States Navy: 2 in commission

• Cape Fear-class barge carrier (AK-5061)
  • Builder:  United States
  • Displacement: 44,250 tons
  • Operator:  United States Navy: 2 in commission

• Cape Flattery-class barge carrier (AK-5070)
  • Builder:  United States
  • Displacement: 62,300 tons
  • Operator:  United States Navy: 2 in commission

• Qiongsha-class troop ship
  • Builder:  People's Republic of China
  • Displacement: 2,150 tons
  • Operator:  People's Liberation Army Navy: 4 in service
• TCG İskenderun (A-1600) troop transport ship
  • Builder:  Turkey
  • Displacement: 7,948 tons
  • Operator:  Turkish Navy: 1 in service

• Green Wave polar logistics ship (AK-2050)
  • Builder:  West Germany
  • Displacement: 9,500 tons
  • Operator:  United States Navy

• Type 633 class heavy-lift ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 922 class rescue and salvage ship
  • Builder:  People's Republic of China
  • Displacement: 3,400 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 922II (Dalang class) rescue and salvage ship
  • Builder:  People's Republic of China
  • Displacement: 4,450 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 922III (Dalang II class) rescue and salvage ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 922IIIA (Dalang II class) rescue and salvage ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 3 in service
• Işın class rescue and salvage ship
  • Builder:  Turkey
  • Displacement: 2,400 tons
  • Operator:  Turkish Navy: 2in service

• Abeille Flandre-class large salvage tug
  • Displacement: 3,800 tons
  • Operator:  French Navy: 2 in service

• Daozha-class salvage tug
  • Builder:  People's Republic of China
  • Displacement: 4,000 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Fehmarn-class (Type 720) salvage tug
  • Builder:  Germany
  • Displacement: 1,310 tons
  • Operator:  German Navy

• Ingul-class salvage tug (Project 1452/1453)
  • Builder:  Soviet Union
  • Displacement: 4,000 tons
  • Operator:  Russian Navy: 4 in service

• Neftegaz-class salvage tug (Project B-92)
  • Builder:  Poland
  • Displacement: 4,000 tons
  • Operator:  Russian Navy: 3 in service

• Prut-class salvage tug (Project 527M)
  • Builder:  Soviet Union
  • Displacement: 3,330 tons
  • Operator:  Russian Navy: 2 in service

• Safeguard-class salvage tug (ARS-50)
  • Builder:  United States
  • Displacement: 3,300 tons
  • Operator:  United States Navy: 4 in commission

• Sliva-class salvage tug (Project 712)
  • Builder:  Finland
  • Displacement: 3,000 tons
  • Operator:  Russian Navy: 3 in service

• Tuozhong-class salvage tug
  • Builder:  People's Republic of China
  • Displacement: 3,600 tons
  • Operator:  People's Liberation Army Navy: 4 in service

• Fire-class fireboat
  • Builder:  Canada
  • Displacement: 140 tons
  • Operator:  Royal Canadian Navy: 1 in service

• Iva-class fire rescue tug (Project B-99)
  • Builder:  Poland
  • Displacement: 2,300 tons
  • Operator:  Russian Navy: 4 in service

• Katun-class fire tug (Project 1893/1993)
  • Builder:  Soviet Union
  • Displacement: 1,200 tons
  • Operator:  Russian Navy: 13 in service

• San Juan-class Search and Rescue Vessel
  • Builder:  Australia
  • Displacement: 540 tons
  • Operator: Philippine Coast Guard: 4 in service

• Ilocos Norte class Search and Rescue Vessel
  • Builder:  Australia
  • Displacement: 120 tons
  • Operator: Philippine Coast Guard: 4 in service

• Type 917 class rescue ship
  • Builder:  People's Republic of China
  • Operator:  People's Liberation Army Navy: 2 in service

• Alagez submarine salvage and rescue ship (Project 537)
  • Displacement: 14,300 tons
  • Operator:  Russian Navy

• TCG Alemdar submarine rescue ship
  • Builder:  Turkey
  • Displacement: 4,200 tons
  • Operator:  Turkish Navy

• Amatista Mod-class submarine rescue ship
  • Builder:  Spain
  • Displacement: 1,860 tons
  • Operator:  Spanish Navy: 1 in service

• HSwMS Belos submarine rescue ship.
  • Operator:  Swedish Navy

• Anteo submarine rescue ship
  • Builder:  Italy
  • Displacement: 3,874 tons
  • Operator:  Marina Militare

• Cheonghaejin class submarine rescue ship
  • Builder:  South Korea
  • Displacement: 4,300 tons
  • Operator:  Republic of Korea Navy: 1 in service

• JS Chihaya submarine rescue ship
  • Builder:  Japan
  • Displacement: 7,011 tons
  • Operator:  Japan Maritime Self-Defense Force

• JS Chiyoda submarine rescue ship
  • Builder:  Japan
  • Displacement: 7,214 tons
  • Operator:  Japan Maritime Self-Defense Force

• Type 930 (Hudong class) submarine rescue ship
  • Builder:  People's Republic of China
  • Displacement: 2,500 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 946 (Dazhou class) submarine rescue ship
  • Builder:  People's Republic of China
  • Displacement: 1,100 tons
  • Operator:  People's Liberation Army Navy: 2 in service

• Type 946A (Dadong class) submarine rescue ship
  • Builder:  People's Republic of China
  • Displacement: 1,500 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• INS Astradharani torpedo launch and recovery vessel
  • Builder:  India
  • Displacement: 650 tons
  • Operator:  Indian Navy

• Cape Flattery-class torpedo trials craft
  • Builder:  United States
  • Displacement: 1190 tons
  • Operator:  United States Navy: 2 in service

• Type 803 class torpedo retriever
  • Builder:  People's Republic of China
  • Displacement: 94.67 tons
  • Operator:  People's Liberation Army Navy

• Type 906 class torpedo trials craft
  • Builder:  People's Republic of China
  • Displacement: 2,300 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 907A class torpedo trials craft
  • Builder:  People's Republic of China
  • Displacement: 615 tons
  • Operator:  People's Liberation Army Navy: 1 in service

• Type 917 class torpedo retriever
  • Builder:  People's Republic of China
  • Displacement: 742.5 tons
  • Operator:  People's Liberation Army Navy: 7 in service

• Bottsand-class (Type 738) oil recovery ship
  • Builder:  Germany
  • Displacement: 650 tons
  • Operator:  German Navy: 2 in service

• Halli pollution control ship
  • Builder:  Finland
  • Displacement: 2,100 tons
  • Operator:  Finnish Navy

• Hylje pollution control ship
  • Builder:  Finland
  • Displacement: 1,400 tons
  • Operator:  Finnish Navy

• Louhi pollution control ship
  • Builder:  Finland
  • Displacement: 3,450 tons
  • Operator:  Finnish Navy

• Glen-class tug
  • Builder:  Canada
  • Displacement: 259 tons
  • Operator:  Royal Canadian Navy: 5 in service

• Habagat-class MT Tug (TB-271)
  • Builder:  Philippines
  • Displacement: unknown
  • Operator: Philippine Coast Guard

• IRS-class tug
  • Builder:  India
  • Displacement: 472 tons
  • Operator:  Indian Navy: 3 in service

• Chieftain anchor handling tug supply vessel
  • Builder:  Germany
  • Displacement: 2,028 tons
  • Operator:  Royal Norwegian Navy: 1 in service

• Rari-class supply tug
  • Displacement: 1,550 tons
  • Operator:  French Navy: 2 in service

• Capstan-class (65 Foot) small harbour tug (WYTL-65601)
  • Builder:  United States
  • Displacement: 72 tons
  • Operator:  United States Coast Guard: 10 in commission

• Lütje Hörn-class (Type 725) harbour tug
  • Builder:  Germany
  • Operator:  German Navy: 6 in service

• Porto-class harbour tug
  • Builder:  Italy
  • Displacement: 412 tons
  • Operator:  Marina Militare: 11 in service

• Sleipner-class harbour tug
  • Builder:  Norway
  • Displacement: 300 tons
  • Operator:  Royal Norwegian Navy: 2 in service

• Sylt-class (Type 724) large harbour tug
  • Builder:  Germany
  • Operator:  German Navy: 2 in service

• Ville-class harbour tug
  • Builder:  Canada
  • Displacement: 46 tons
  • Operator:  Royal Canadian Navy: 5 in service

• Wustrow-class (Type 414) harbour tug
  • Builder:  Germany
  • Operator:  German Navy: 2 in service

• Belier-class coastal tug
  • Displacement: 800 tons
  • Operator:  French Navy: 3 in service

• Chamois-class coastal tug and logistical support ship
  • Displacement: 505 tons
  • Operator:  French Navy: 1 in service

• Abnaki class fleet ocean tug
  • Builder:  United States
  • Displacement: 1,589 tons
  • Operators:
    •  Argentine Navy: 2 in service
    •  Ecuadorian Navy: 1 in service

• Atlante-class ocean tug
  • Builder:  Italy
  • Displacement: 750 tons
  • Operator:  Marina Militare: 2 in service

• Barentshav-class offshore patrol vessel
  • Builder:  Norway
  • Displacement: 3,200 tons
  • Operator:  Royal Norwegian Navy: 3 in commission

• Ciclope-class ocean tug
  • Builder:  Italy
  • Displacement: 660 tons
  • Operator:  Marina Militare: 6 in service

• INS Gaj offshore tug
  • Builder:  India
  • Displacement: 560 tons
  • Operator:  Indian Navy

• Goliat-class ocean tug (Project 733)
  • Builder:  Soviet Union
  • Displacement: 890 tons
  • Operator:  Russian Navy: 25 in service

• Helgoland-class large sea-going tug
  • Builder:  Germany
  • Operators:
    •  German Navy: 1 in service
    •  National Navy of Uruguay: 1 in service

• MB-330 class ocean tug
  • Builder:  Singapore
  • Displacement: 1,180 tons
  • Operator:  Russian Navy: 1 in service

• Powhatan class fleet ocean tug (ATF 168)
  • Builder:  United States
  • Displacement: 2,260 tons
  • Operator:  United States Navy: 5 in commission

• Roslavl-class ocean tug (Project A-202)
  • Builder:  Soviet Union /  People's Republic of China
  • Displacement: 625 tons
  • Operators:
    •  Russian Navy: 11 in service
    •  People's Liberation Army Navy: 4 in service

• Sorum-class fleet seagoing tug (Project 745)
  • Builder:  Soviet Union
  • Displacement: 1,656 tons
  • Operator:  Russian Navy: 22 in service

• Tenace-class ocean tug
  • Displacement: 1,400 tons
  • Operator:  French Navy: 2 in service

• Type 802 Gromovoy class ocean tug
  • Builder:  Soviet Union /  People's Republic of China
  • Displacement: 890 tons
  • Operator:  People's Liberation Army Navy: 17 in service

• Type 837 Hujiu class ocean tug
  • Builder:  People's Republic of China
  • Displacement: 750 tons
  • Operator:  People's Liberation Army Navy: 8 in service

• Wangerooge-class seagoing tug
  • Builder:  Germany
  • Displacement: 798 tons
  • Operators:
    •  German Navy: 2 in service
    •  National Navy of Uruguay: 1 in service

• Dinghai-class fleet tug
  • Builder:  People's Republic of China
  • Displacement: 1,470 tons
  • Operator:  People's Liberation Army Navy: 2 in service

• Goryn-class fleet tug (Project 563)
  • Builder:  Finland
  • Displacement: 2,200 tons
  • Operator:  Russian Navy: 9 in service

See Category:Training ships

• Amerigo Vespucci Tall ship
  • Builder:  Italy
  • Displacement: 4,146 tons
  • Operator:  Marina Militare: 1 in service

• RFA Argus Aviation training ship
  • Builder  United Kingdom
  • Displacement 28,081 tons
  • Operator:  Royal Navy, ( Royal Fleet Auxiliary), 1 in service

• Arung Samudera Tall ship
  • Operator:  Indonesian Navy

• Capitán Miranda Tall ship
  • Builder:  Spain
  • Displacement: 852 tons
  • Operator:  National Navy of Uruguay

• Cisne Branco Tall ship
  • Builder:  Netherlands
  • Displacement: 1,038 tons
  • Operator:  Brazilian Navy

• UAM Creoula Tall ship
  • Builder:  Portugal
  • Displacement: 1,321 tons
  • Operator:  Portuguese Navy

• KRI Dewaruci Tall ship
  • Builder:  Germany
  • Operator:  Indonesian Navy

• Fabian Wrede-class training ship
  • Builder:  Finland
  • Displacement: 65 tons
  • Operator:  Finnish Navy: 3 in service

• USCGC Eagle Tall ship
  • Builder: Germany
  • Displacement: 1,813 tons
  • Operator:  United States Coast Guard

• NRP Sagres Tall ship
  • Builder: Blohm & Voss  Germany
  • Displacement: 1,755 long tons (1,783 tons)
  • Operator:  Portuguese Navy
  • Sister ship to USCGC Eagle

• Mircea Tall ship
  • Builder: Blohm & Voss  Germany
  • Operator:  Romanian Naval Forces
  • Sister ship to USCGC Eagle and NRP Sagres

• Gorch Fock Tall ship
  • Builder:  Germany
  • Displacement: 2,006 tons
  • Operator:  German Navy
  • Sister ship to USCGC Eagle, NRP Sagres, and Mircea

• ARC Gloria Tall ship
  • Builder:  Spain
  • Displacement: 1,300 tons
  • Operator:  Colombian National Navy

• BAE Guayas Tall ship
  • Builder:  Spain
  • Displacement: 1,300 tons
  • Operator:  Ecuadorian Navy
  • Sister ship to ARC Gloria

• Simón Bolívar Tall ship
  • Builder:  Spain
  • Displacement: 1,260 tons
  • Operator:  Bolivarian Navy of Venezuela
  • Sister ship to ARC Gloria and BAE Guayas

• ARM Cuauhtémoc Tall ship
  • Builder:  Spain
  • Displacement: 1,800 tons
  • Operator:  Mexican Navy
  • Sister ship to ARC Gloria, BAE Guayas, and Simón Bolívar

• Hiuchi-class training support ship
  • Builder:  Japan
  • Displacement: 1,000 tons
  • Operator:  Japan Maritime Self-Defense Force: 5 in service

• HNoMS Horten training ship
  • Builder:  Norway
  • Displacement: 2,535 tons
  • Operator:  Royal Norwegian Navy

• Intermares training ship
  • Builder:  Spain
  • Displacement: 3,200 tons
  • Operator:  Spanish Navy

• Juan Sebastián de Elcano Tall ship
  • Builder:  Spain
  • Displacement: 3,673 tons
  • Operator:  Spanish Navy

• Esmeralda Tall ship
  • Builder:  Spain
  • Displacement: 3,754 tons
  • Operator:  Chilean Navy
  • Sister ship to Juan Sebastián de Elcano

• ARA Libertad Tall ship
  • Builder:  Argentina
  • Displacement: 3,765 tons
  • Operator:  Argentine Navy

• Mhadei-class training sailboat
  • Builder:  India
  • Displacement: 23 tons
  • Operator:  Indian Navy: 2 in service

• HMCS Oriole training sailboat
  • Builder:  United States
  • Displacement: 93 tons
  • Operator:  Royal Canadian Navy

• Palinuro Tall ship
  • Builder:  France
  • Displacement: 1,341 tons
  • Operator:  Marina Militare: 1 in service

• Shiyan training ship
  • Displacement: 6,000 tons
  • Operator:  People's Liberation Army Navy

• INS Tarangini Tall ship
  • Builder:  India
  • Displacement: 513 tons
  • Operator:  Indian Navy

• INS Sudarshini Tall ship
  • Builder:  India
  • Displacement: 513 tons
  • Operator:  Indian Navy
  • Sister ship to INS Tarangini

• INS Tir training ship
  • Builder:  India
  • Displacement: 3,200 tons
  • Operator:  Indian Navy

• Type 82 training ship
  • Builder:  United Kingdom
  • Displacement: 6,000 tons
  • Operator:  Royal Navy 1 in service

• Type 679 (Zheng He-class) (NATO Daxing-class) training ship
  • Builder:  People's Republic of China
  • Displacement: 5,548 tons
  • Operator:  People's Liberation Army Navy

• Type 680 (Qi Jiguang-class) training ship
  • Builder:  People's Republic of China
  • Displacement: 9,000 tons
  • Operator:  People's Liberation Army Navy

• Type 0891A (Shichang-class) training ship
  • Builder:  People's Republic of China
  • Displacement: 9,700 tons
  • Operator:  People's Liberation Army Navy

• BAP Unión Tall ship
  • Builder:  Spain /  Peru
  • Displacement: 3,200 tons
  • Operator:  Peruvian Navy

• Yanxi-class training ship
  • Builder:  People's Republic of China
  • Displacement: 1,200 tons
  • Operator:  People's Liberation Army Navy
• Cezayirli Gazi Hasan class
  • Builder:  Turkey
  • Displacement: 2,940 tons
  • Operator:  Turkish Navy: 1 in service

• Argo (MEN209) Presidential Yacht
  • Builder:  Italy
  • Displacement: 64.47 tons
  • Operator:  Marina Militare

• HDMY Dannebrog Royal Yacht
  • Builder:  Denmark
  • Displacement: 1,295 tons
  • Operator:  Royal Danish Navy

• ARA Fortuna III racing yacht
  • Builder:  Argentina
  • Displacement: 15.5 tons
  • Operator:  Argentine Navy

• JS Hashidate accommodation yacht
  • Builder:  Japan
  • Displacement: 490 tons
  • Operator:  Japan Maritime Self-Defense Force

• HNoMY Norge Royal Yacht
  • Builder:  United Kingdom
  • Displacement: 1,628 tons
  • Operator:  Royal Norwegian Navy
• MV Savarona class (TCG MV Savarona) Modernized and retrofitted as state yacht
  • Builder:  Turkey
  • Displacement: 4,646 tonnes
  • Operator:  Turkish Navy: 1 in service

• List of naval ship classes in service
• List of submarine classes in service