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{{Infobox ship image
{{Infobox ship image
| Ship image = ROKS Dokdo (LPH 6111).jpg
| Ship image = ROKS Dokdo (LPH 6111) - Invincible Spirit.jpg
| Ship caption = ROKS ''Dokdo'' moored at Busan in August 2009
| Ship caption = ROKS ''Dokdo'' steams in the Sea of Japan in 2010
}}
}}
{{Infobox ship class overview
{{Infobox ship class overview
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| Operators = {{navy|South Korea}}
| Operators = {{navy|South Korea}}
| Class before =
| Class before =
| Class after = [[LPX-II-Class Aircraft Carrier|CVX]] (Planned)<ref>{{Cite web|url=https://www.yna.co.kr/view/AKR20190814075900504|title=국방중기계획, 軍핵심능력 확보주력…EMP탄 개발·정찰위성 배치|last=김귀근|date=2019-08-14|website=연합뉴스|language=ko|access-date=2020-11-15}}</ref>
| Class after = [[LPX-II-Class Aircraft Carrier|CVX]] (Planned)<ref>{{Cite web|url=https://www.yna.co.kr/view/AKR20190814075900504|title=국방중기계획, 軍핵심능력 확보주력…EMP탄 개발·정찰위성 배치|last=김 |first=귀근|date=2019-08-14|website=[[Yonhap News Agency]]|language=ko|access-date=2020-11-15}}</ref>
| Subclasses =
| Subclasses =
| Cost = *[[South Korean won|KRW]] 325,770,000,000 (2005)<ref>{{cite web |url=http://www.usci.co.kr/kboard/kboard.php?board=board2&act=view&no=101&page=7&search_mode=&search_word=&cid= |title=Cost of Republic of Korea Armed Forces Weapons |access-date=2010-08-22 |archive-url=https://web.archive.org/web/20170628000439/http://www.usci.co.kr/kboard/kboard.php?board=board2&act=view&no=101&page=7&search_mode=&search_word=&cid= |archive-date=2017-06-28 |url-status=dead }}</ref>
| Cost = *[[South Korean won|KRW]] 325,770,000,000 (2005)<ref>{{cite web |url=http://www.usci.co.kr/kboard/kboard.php?board=board2&act=view&no=101&page=7&search_mode=&search_word=&cid= |title=Cost of Republic of Korea Armed Forces Weapons |access-date=2010-08-22 |archive-url=https://web.archive.org/web/20170628000439/http://www.usci.co.kr/kboard/kboard.php?board=board2&act=view&no=101&page=7&search_mode=&search_word=&cid= |archive-date=2017-06-28 |url-status=dead }}</ref>
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<br>*VAMPIR-MB optronic sight
<br>*VAMPIR-MB optronic sight
| Ship EW = ESM/ECM:SLQ-200(v)5K SONATA, [[Chaff (countermeasure)|Chaff launcher]]
| Ship EW = ESM/ECM:SLQ-200(v)5K SONATA, [[Chaff (countermeasure)|Chaff launcher]]
| Ship armament = *2 × [[Goalkeeper CIWS]]
| Ship armament = * '''Guns:'''
* LPH-6111: 2 × [[Goalkeeper CIWS]]
* LPH-6112: 2 × [[Phalanx CIWS]]
⚫
*1 × [[RIM-116 Rolling Airframe Missile]]
* '''Missiles:'''
⚫
* LPH-6111: 1 × [[RIM-116 Rolling Airframe Missile]]
* LPH-6112: 4 x [[Korean Vertical Launching System|K-VLS cells]]
| Ship armour =
| Ship armour =
| Ship aircraft = *Up to 15 helicopters<ref>{{cite web | url = https://www.naval-technology.com/projects/dodko-class/ | title = Dokdo Class Landing Platform Helicopter (LPH) | publisher = Naval Technology | date = July 2005 | access-date = 5 August 2019}}</ref>
| Ship aircraft = *Up to 15 helicopters<ref>{{cite web | url = https://www.naval-technology.com/projects/dodko-class/ | title = Dokdo Class Landing Platform Helicopter (LPH) | publisher = Naval Technology | date = July 2005 | access-date = 5 August 2019}}</ref>
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|}
|}


The '''''Dokdo''-class amphibious assault ship''' ({{Lang-ko|독도급 대형수송함}}, {{Hanja|獨島級 大型輸送艦}}) is a [[ship class|class]] of [[landing platform helicopter]] (LPH) [[amphibious assault ship]]s operated by the [[Republic of Korea Navy]] (ROKN). Designed and built by [[Hanjin Heavy Industries]] (HHIC), the amphibious landing ships were meant to enhance South Korea's amphibious operation capability, both in terms of assault and [[military operations other than war]] (MOOTW).
The '''Dokdo-class amphibious assault ship''' ({{Korean|hangul=독도급 대형수송함|hanja=獨島級 大型輸送艦|labels=no}}) is a [[Ship class|class]] of [[landing platform helicopter]] (LPH) and [[Amphibious assault ship|amphibious assault ships]] operated by the [[Republic of Korea Navy]] (ROKN). It was designed and built by [[Hanjin Heavy Industries]] (HHIC) to enhance South Korea's amphibious operation capability in terms of assault and [[military operations other than war]] (MOOTW).


==Development==
==Development==
The ROK Navy required a versatile landing ship with amphibious capabilities in its program to build a [[blue-water navy]]. In the end, Hanjin's ''Dokdo'' design was chosen to fuilfil this need. The{{sclass|Solgae|LCAC|1}}—also built by HHIC— was chosen as the [[Landing Craft Air Cushion|landing craft air cushion]] (LCAC) to operate from the ship.<ref name="youtube">{{cite web|url=https://www.youtube.com/watch?v=REbuQ9mkgHI |title=Hanjin Heavy Industries & Construction (HHIC) - LPH Landing Ship (Dokdo) & LSF II Assault Hovercraft |publisher=YouTube |date=2010-02-17 |access-date=2013-09-03}}{{cbignore}}{{Dead Youtube links|date=February 2022}}</ref>
The ROK Navy required a landing ship with amphibious capabilities in its program to build a [[blue-water navy]] which was met by the ''Dokdo'' design. The [[Solgae-class LCAC|''Solgae''-class LCAC]] — made by HHIC — was selected as the [[Landing Craft Air Cushion|landing craft air cushion]] (LCAC) to operate from the ship.<ref name="youtube">{{cite web|url=https://www.youtube.com/watch?v=REbuQ9mkgHI |title=Hanjin Heavy Industries & Construction (HHIC) - LPH Landing Ship (Dokdo) & LSF II Assault Hovercraft |publisher=YouTube |date=2010-02-17 |access-date=2013-09-03}}{{cbignore}}{{Dead Youtube links|date=February 2022}}</ref>


==Specifications==
==Specifications==
[[File:USN MH-60S is landing on the flight deck of the ROKS Dokdo (LPH 6111).jpg|left|thumb|A [[US Navy]] [[SH-60 Seahawk|MH-60S]] landing on the flight deck of ''Dokdo''.]]
[[File:USN MH-60S is landing on the flight deck of the ROKS Dokdo (LPH 6111).jpg|left|thumb|A [[US Navy]] [[SH-60 Seahawk|MH-60S]] landing on the flight deck of ''Dokdo''.]]


The LPX is an amphibious warfare ship which includes a [[well deck]] to accommodate [[amphibious assault vehicle]]s (AAVs) and two LCAC, the first of which (LSF 631) was acquired in April 2007. The ship is {{convert|199|m|ftin}} long, {{convert|31|m|ftin}} wide, with a 14,000-ton (empty), or 18,000-ton (full) [[Displacement (ship)|displacement]] and was built incorporating stealth technologies. It has been said to be one of the most advanced vessels in the Asian Pacific.<ref name="youtube" />
The LPX is an amphibious warfare ship with a [[well deck]] to accommodate [[Amphibious assault vehicle|amphibious assault vehicles]] (AAVs) and two LCACs, the first of which (LSF 631) was acquired in April 2007. The ship is 199 meters (652 ft 11 in) long, 31 meters (101 ft 8 in) wide, with a 14,000-ton (empty) or 18,000-ton (full) [[Displacement (ship)|displacement]], and was built incorporating stealth technologies.


As a high-speed amphibious ship, the LPX was based on the concept of "over-the-horizon assault." As the name indicates, the "over-the-horizon assault" comprises a military operation in which an amphibious landing is conducted with high-speed air-cushioned vehicles and helicopters from beyond the horizon, where they cannot be easily detected or attacked by the enemy. The conventional [[landing ship tank]] (LST) has to approach the coastline for landing, at the risk of being fired upon by the enemy.
As a high-speed amphibious ship, the LPX was based on the concept of "over-the-horizon assault." The idea comprises a military operation in which an amphibious landing is conducted with high-speed air-cushioned vehicles and helicopters from beyond the horizon, where the enemy cannot easily detect or attack them. The conventional [[landing ship tank]] (LST) has to approach the coastline for landing, at the risk of being fired upon by the enemy.


The LPX can carry 720 marines (+300 crew members), 10 tanks, 10 trucks, 7 AAVs, three field artillery pieces, and two LCAC hovercraft capable of landing on enemy shores doing {{convert|40|kn|lk=in}}—a mix that enables it to launch troop landings from both sea and air. She can also carry 10 helicopters when there are no ground vehicles on her hangar deck.<ref name="Otsuka2012">{{Cite journal|author=Yoshifuru Otsuka|date=December 2012|title=Amphibious forces of China, Taiwan and South Korea|journal=[[:ja:世界の艦船|Ships of the World]]|issue=770|pages=76–81|language=ja}}</ref>
The LPX has a carrying limit of 720 marines (+300 crew members), ten tanks, ten trucks, 7 AAVs, three field artillery pieces, and two LCAC hovercraft. It can also carry ten helicopters when no ground vehicles are on its hangar deck.<ref name="Otsuka2012">{{Cite journal|author=Yoshifuru Otsuka|date=December 2012|title=Amphibious forces of China, Taiwan and South Korea|journal=[[:ja:世界の艦船|Ships of the World]]|issue=770|pages=76–81|language=ja}}</ref>


The flight surface is also sprayed with [[polyurethane|urethane]], which can support [[VTOL]] jets, like Harriers. South Korea is considering the purchase of [[F-35 Lightning II|F-35B]] fighters to operate from its ''Dokdo''-class ships.<ref>{{cite web|url=https://www.defensenews.com/global/asia-pacific/2017/12/26/japan-south-korea-may-refit-naval-ships-for-f-35-fighters/|title=Japan, South Korea may refit naval ships for F-35 fighters|first=Mike|last=Yeo|date=28 December 2017}}</ref> Currently, the LPX operates mainly [[UH-1]]H and [[UH-60]]P. However, both of these are designed for land‐based operations and lack abilities for ship-borne operations such as protection against damage from salty breezes making them difficult to operate on-board continuously.<ref>{{cite web|author=김성만|date=2011-10-08|url=http://bemil.chosun.com/nbrd/bbs/view.html?b_bbs_id=10040&pn=1&num=63808|script-title=ko:독도함은 날고 싶다|language=ko|access-date=2013-05-09}}</ref> The KUH-Amphibious, the sea-based amphibious variant of the [[KAI Surion]], is now under development. Production is planned to commence in late 2015 with some 40 helicopters planned.<ref>{{cite web |url=http://www.flightglobal.com/news/articles/pictures-kai-to-develop-amphibious-assault-variant-of-surion-384819/ |title=KAI to develop amphibious assault variant of Surion |publisher=Flightglobal.com |date=18 April 2013}}</ref>
The flight surface is also sprayed with [[Polyurethane|urethane]], which can support [[VTOL]] aircraft. [[South Korea]] is considering the purchase of [[F-35 Lightning II|F-35B]] fighters to operate from its ''Dokdo''-class ships.<ref>{{cite web|url=https://www.defensenews.com/global/asia-pacific/2017/12/26/japan-south-korea-may-refit-naval-ships-for-f-35-fighters/|title=Japan, South Korea may refit naval ships for F-35 fighters|first=Mike|last=Yeo|date=28 December 2017}}</ref>{{Update inline|date=April 2024|reason=outdated ref}} Currently, the LPX operates mainly [[UH-1H]] and [[UH-60|UH-60P]]. However, both are designed for land‐based operations and lack abilities for ship-borne operations, such as protection against damage from salty breezes, making them challenging to operate on-board continuously.<ref>{{cite web|author=김성만|date=2011-10-08|url=http://bemil.chosun.com/nbrd/bbs/view.html?b_bbs_id=10040&pn=1&num=63808|script-title=ko:독도함은 날고 싶다|language=ko|access-date=2013-05-09}}</ref> The KUH-Amphibious, the sea-based amphibious variant of the [[KAI Surion]], is now under development. Production is planned to commence in late 2015, with some 40 helicopters planned.<ref>{{cite web |url=http://www.flightglobal.com/news/articles/pictures-kai-to-develop-amphibious-assault-variant-of-surion-384819/ |title=KAI to develop amphibious assault variant of Surion |publisher=Flightglobal.com |date=18 April 2013}}</ref>{{Update inline|date=April 2024}}


Self-defence armament includes the [[RIM-116 Rolling Airframe Missile]] system. The [[Goalkeeper CIWS|Goalkeeper]] [[close-in weapon system]] (CIWS) was purchased in January 2003 from [[Thales Nederland|Thales]], at a pre-set price of 13,000,000,000 won (roughly $15,000,000).
Self-defense armament includes the [[RIM-116 Rolling Airframe Missile]] system. The [[Goalkeeper CIWS|Goalkeeper]] [[close-in weapon system]] (CIWS) was purchased in January 2003 from [[Thales Nederland|Thales]] at a pre-set price of 13,000,000,000 won (roughly $15,000,000).


The second ship of the class, ''Marado'', was built with some changes compared to ''Dokdo''. The flight deck is adapted to accommodate two [[V-22 Osprey]]s, while ''Dokdo'' was able to only carry one. In place of the Thales SMART-L multibeam radar and MW08 surveillance radar, ''Marado'' uses the [[Elta Systems]] [[EL/M-2248 MF-STAR]] multifunction surveillance radar and [[LIG Nex1]] [[SPS-550K]] 3-D air and surface surveillance radar. It also has a different weapons suite than the 30 mm Goalkeeper and RAM, instead using two 20 mm [[Phalanx CIWS]] and having a [[Korean Vertical Launching System|K-VLS]] at the rear of the superstructure for the locally developed [[K-SAAM]].<ref>{{cite web|last1=Rahmat|first1=Ridzwan|title=South Korea selects mix of local, Israeli sensors for second Dokdo-class helicopter carrier|url=http://www.janes.com/article/80105/south-korea-selects-mix-of-local-israeli-sensors-for-second-dokdo-class-helicopter-carrier|website=[[Jane's Information Group]]|access-date=2 June 2018|date=16 May 2018}}</ref><ref>{{cite web |url=https://www.defensenews.com/global/asia-pacific/2018/05/21/south-korea-changes-mission-for-its-newly-launched-assault-ship/ |title=South Korea changes mission for its newly launched assault ship |work=Defense News |date=21 May 2018}}</ref><ref>{{cite web|last1=Rahmat|first1=Ridzwan|title=South Korea to deploy K-SAAM on second Dokdo class|url=http://www.janes.com/article/80340/south-korea-to-deploy-k-saam-on-second-dokdo-class|website=[[Jane's Information Group]]|access-date=2 June 2018|date=30 May 2018|archive-url=https://web.archive.org/web/20180528125223/http://www.janes.com/article/80340/south-korea-to-deploy-k-saam-on-second-dokdo-class|archive-date=28 May 2018|url-status=dead}}</ref>
The second ship of the class, ''Marado'', was built with some changes compared to ''Dokdo''. The flight deck is adapted to accommodate two [[V-22 Osprey|V-22 Ospreys]], while ''Dokdo'' could only carry one. In place of the Thales SMART-L multibeam radar and MW08 surveillance radar, ''Marado'' uses the [[Elta Systems]] [[EL/M-2248 MF-STAR]] multifunction surveillance radar and [[LIG Nex1]] [[SPS-550K]] 3-D air and surface surveillance radar. It also has a different weapons suite than the 30 mm Goalkeeper and RAM, instead using two 20 mm [[Phalanx CIWS]] and having a [[Korean Vertical Launching System|K-VLS]] at the rear of the superstructure for the locally developed [[K-SAAM]].<ref>{{cite web|last1=Rahmat|first1=Ridzwan|title=South Korea selects mix of local, Israeli sensors for second Dokdo-class helicopter carrier|url=http://www.janes.com/article/80105/south-korea-selects-mix-of-local-israeli-sensors-for-second-dokdo-class-helicopter-carrier|website=[[Jane's Information Group]]|access-date=2 June 2018|date=16 May 2018}}</ref><ref>{{cite web |url=https://www.defensenews.com/global/asia-pacific/2018/05/21/south-korea-changes-mission-for-its-newly-launched-assault-ship/ |title=South Korea changes mission for its newly launched assault ship |work=Defense News |date=21 May 2018}}</ref><ref>{{cite web|last1=Rahmat|first1=Ridzwan|title=South Korea to deploy K-SAAM on second Dokdo class|url=http://www.janes.com/article/80340/south-korea-to-deploy-k-saam-on-second-dokdo-class|website=[[Jane's Information Group]]|access-date=2 June 2018|date=30 May 2018|archive-url=https://web.archive.org/web/20180528125223/http://www.janes.com/article/80340/south-korea-to-deploy-k-saam-on-second-dokdo-class|archive-date=28 May 2018|url-status=dead}}</ref>


''Dokdo'' is similar in size to the [[light aircraft carrier]]s derived from the [[Sea Control Ship]] such as the [[Spanish Navy]]'s former aircraft carrier {{ship|Spanish aircraft carrier|Príncipe de Asturias||2}} and the [[Royal Thai Navy]]'s {{ship|HTMS|Chakri Naruebet||2}}.
''Dokdo'' is similar in size to the [[light aircraft carrier]]s derived from the [[Sea Control Ship]], such as the [[Spanish Navy]]'s former aircraft carrier {{ship|Spanish aircraft carrier|Príncipe de Asturias||2}} and the [[Royal Thai Navy]]'s {{ship|HTMS|Chakri Naruebet||2}}.


==Ships in the class==
==Ships in the class==
{|class=wikitable
{|class=wikitable
! Name || Pennant number || Builder || Launched || Commissioned || Decommissioned || Status
! Name || Pennant number || Builder || Launched || Commissioned || Status
|-
|-
|{{ROKS|Dokdo|LPH-6111|6}}
|{{ROKS|Dokdo|LPH-6111|6}}
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|12 July 2005
|12 July 2005
|3 July 2007
|3 July 2007
|
|Active
|Active
|-
|-
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|14 May 2018
|14 May 2018
|28 June 2021
|28 June 2021
|
|Active
|Active
|-
|-
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[[File:ROKS Dokdo (LPH 6111) conducts well deck operations with U.S.Navy LCAC.jpg|thumb|''Dokdo'' conducts well-deck operations with a US Navy LCAC.]]
[[File:ROKS Dokdo (LPH 6111) conducts well deck operations with U.S.Navy LCAC.jpg|thumb|''Dokdo'' conducts well-deck operations with a US Navy LCAC.]]
[[File:ROKS Dokdo assisting search and rescue of ROKS Cheonan, cropped.jpg|thumb|''Dokdo'' assisting search and rescue after the [[ROKS Cheonan sinking|sinking of ROKS ''Cheonan'']].]]
[[File:ROKS Dokdo assisting search and rescue of ROKS Cheonan, cropped.jpg|thumb|''Dokdo'' assisting search and rescue after the [[ROKS Cheonan sinking|sinking of ROKS ''Cheonan'']].]]
[[File:ROKS Marado (LPH-6112) in Busan.jpg|thumb|The ROKS Marado' in Busan, 2019.]]
[[File:ROKS Marado (LPH-6112) in Busan.jpg|thumb|The ROKS ''Marado'' in Busan, 2019.]]
Some proposed uses for the ship include UN peacekeeping operations and disaster relief.
Some proposed uses for the ship include UN peacekeeping operations and disaster relief.


The Korean news agency [[Yonhap]] reported in December 2017 that the Korean military was considering operating F-35B aircraft from the ''Dokdo''-class amphibious assault ships.<ref>{{cite web|title=S. Korea's military mulls operating F-35B stealth aircraft aboard new amphibious assault ship|url=http://english.yonhapnews.co.kr/news/2017/12/25/95/0200000000AEN20171225001500315F.html|website=Yonhap News Agency|access-date=27 December 2017|archive-url=https://archive.today/20171227232103/http://english.yonhapnews.co.kr/news/2017/12/25/95/0200000000AEN20171225001500315F.html|archive-date=27 December 2017|location=Seoul|date=25 December 2017}}</ref><ref>{{cite web|last1=Sisk|first1=Richard|title=South Korea, Japan Mull F-35Bs for Amphibious Assault Ships|url=https://www.military.com/defensetech/2017/12/26/south-korea-japan-mull-f-35bs-amphibious-assault-ships.html|website=Military.com|access-date=27 December 2017|archive-url=https://archive.today/20171227232204/https://www.military.com/defensetech/2017/12/26/south-korea-japan-mull-f-35bs-amphibious-assault-ships.html|archive-date=27 December 2017|date=27 December 2017}}</ref>But as of December 2022, no such plans have been officially declared.
The Korean news agency [[Yonhap]] reported in December 2017 that the Korean military was considering operating F-35B aircraft from the ''Dokdo''-class amphibious assault ships.<ref>{{cite web|title=S. Korea's military mulls operating F-35B stealth aircraft aboard new amphibious assault ship|url=http://english.yonhapnews.co.kr/news/2017/12/25/95/0200000000AEN20171225001500315F.html|website=[[Yonhap News Agency]]|access-date=27 December 2017|archive-url=https://archive.today/20171227232103/http://english.yonhapnews.co.kr/news/2017/12/25/95/0200000000AEN20171225001500315F.html|archive-date=27 December 2017|location=Seoul|date=25 December 2017}}</ref><ref>{{cite web|last1=Sisk|first1=Richard|title=South Korea, Japan Mull F-35Bs for Amphibious Assault Ships|url=https://www.military.com/defensetech/2017/12/26/south-korea-japan-mull-f-35bs-amphibious-assault-ships.html|website=Military.com|access-date=27 December 2017|archive-url=https://archive.today/20171227232204/https://www.military.com/defensetech/2017/12/26/south-korea-japan-mull-f-35bs-amphibious-assault-ships.html|archive-date=27 December 2017|date=27 December 2017}}</ref> However, as of December 2022, no such plans have been officially declared.


In November 2024, the [[Republic of Korea Navy]] tested the [[General Atomics Mojave|Gray Eagle STOL UAV]] on [[ROKS Dokdo|ROKS ''Dokdo'']] amphibious assault ship. The Gray Eagle UAV took off from ''Dokdo'', flew twice close to her port side to perform a "simulated landing procedure", but did not land on the ship.<ref>{{Cite web |last=Newdick |first=Thomas |date=2024-11-13 |title=Gray Eagle STOL Drone Flies From South Korean Amphibious Assault Ship |url=https://www.twz.com/air/gray-eagle-stol-drone-flies-from-south-korean-amphibious-assault-ship |access-date=2024-11-14 |website=The War Zone |language=en-US}}</ref><ref>{{Cite web |last=Cha |first=Eunhyuk |date=2024-11-13 |title=ROK Navy tests Mojave drone aboard ROKS Dokdo |url=https://www.navalnews.com/naval-news/2024/11/rok-navy-tests-mojave-drone-aboard-roks-dokdo/ |access-date=2024-11-14 |website=Naval News |language=en-US}}</ref>
== First steps to a blue water navy ==
In a speech delivered in March 2001, the then South Korean President [[Kim Dae Jung]] stated that his administration was aiming to build a navy that "will defend the national interests in the five oceans and perform a role in defending world peace."

By the year 2020, the ROK Navy plans to deploy two to three rapid response fleets, each comprising 1 ''Dokdo'' class, 2 ''Sejong the Great'' class, 4 ''Chungmugong Yi Sun-sin'' class, 1 ''Gwanggaeto the Great'' class, several{{sclass|Incheon|frigate|2}}s, and 2 or 3 Type 214 submarines.
{{See also|Republic of Korea Navy}}

ROK Navy's Rapid Response Fleet:
* ''Dokdo''-class LPH (flagship)
* {{sclass|Sejong the Great|destroyer|2}} (KDX-III) Aegis Combat System
* {{sclass|Chungmugong Yi Sun-sin|destroyer|2}}
* {{sclass|Gwanggaeto the Great|destroyer|2}}
* {{sclass|Incheon|frigate|2}}
* [[Type 214 submarine]] (diesel-electric)


==References==
==References==
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==External links==
==External links==
* [http://www.navyrecognition.com/index.php?option=com_content&task=view&id=869 Dokdo class LPH - ROK Navy]
* [http://www.navyrecognition.com/index.php?option=com_content&task=view&id=869 Dokdo class LPH - ROK Navy]
* [http://www.globalsecurity.org/military/world/rok/lp-x.htm Global security article on the LP-X]
* [http://blog.naver.com/jou1318?Redirect=Log&logNo=110006271469 LPX Doko launching ceremony pictures]
* [http://blog.naver.com/jou1318?Redirect=Log&logNo=110006271469 LPX Doko launching ceremony pictures]
* [http://www.naval-technology.com/projects/dodko-class/ Naval Technology entry for the Dokdo class]
* [http://www.naval-technology.com/projects/dodko-class/ Naval Technology entry for the Dokdo class]
*https://namu.wiki/enwiki/w/%EB%8F%85%EB%8F%84%EA%B8%89%20%EB%8C%80%ED%98%95%EC%88%98%EC%86%A1%ED%95%A8?from=%EB%8F%85%EB%8F%84%EA%B8%89%20%EA%B0%95%EC%8A%B5%EC%83%81%EB%A5%99%ED%95%A8


{{Republic of Korea Navy ships}}
{{Republic of Korea Navy ships}}

Latest revision as of 14:28, 25 November 2024

Dokdo-class amphibious assault ship
ROKS Dokdo steams in the Sea of Japan in 2010
Class overview
NameDokdo class
BuildersHanjin Heavy Industries
Operators Republic of Korea Navy
Succeeded byCVX (Planned)[1]
Cost
  • KRW 325,770,000,000 (2005)[2]
  • US$ 285 million
Planned2
Completed2
Active2
General characteristics
TypeLanding platform helicopter
Displacement14,300 tons (empty) / 19,500 tons (full)
Length199 m (652 ft 11 in)
Beam31 m (101 ft 8 in)
Draught7 m (23 ft 0 in)
Propulsion
Speed
  • 23 knots (43 km/h; 26 mph) maximum
  • 18 knots (33 km/h; 21 mph) cruising
Boats & landing
craft carried		2 LCAC (LSF-II)
CapacityUp to 200 vehicles (including tanks)
Troops720 marines
Crew330[3]
Sensors and
processing systems
  • SMART-L air search radar
  • ELM-2248 (MF-STAR) multifunction surveillance radar
  • MW08 surface search radar
  • LIG Nex1 SPS-550K
  • AN/SPS-95K navigation radar
  • TACAN
  • VAMPIR-MB optronic sight
Electronic warfare
& decoys		ESM/ECM:SLQ-200(v)5K SONATA, Chaff launcher
Armament
Aircraft carried
Aviation facilitiesFlight deck with 5 landing spots and hangar

The Dokdo-class amphibious assault ship (독도급 대형수송함; 獨島級 大型輸送艦) is a class of landing platform helicopter (LPH) and amphibious assault ships operated by the Republic of Korea Navy (ROKN). It was designed and built by Hanjin Heavy Industries (HHIC) to enhance South Korea's amphibious operation capability in terms of assault and military operations other than war (MOOTW).

Development

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The ROK Navy required a landing ship with amphibious capabilities in its program to build a blue-water navy which was met by the Dokdo design. The Solgae-class LCAC — made by HHIC — was selected as the landing craft air cushion (LCAC) to operate from the ship.[5]

Specifications

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A US Navy MH-60S landing on the flight deck of Dokdo.

The LPX is an amphibious warfare ship with a well deck to accommodate amphibious assault vehicles (AAVs) and two LCACs, the first of which (LSF 631) was acquired in April 2007. The ship is 199 meters (652 ft 11 in) long, 31 meters (101 ft 8 in) wide, with a 14,000-ton (empty) or 18,000-ton (full) displacement, and was built incorporating stealth technologies.

As a high-speed amphibious ship, the LPX was based on the concept of "over-the-horizon assault." The idea comprises a military operation in which an amphibious landing is conducted with high-speed air-cushioned vehicles and helicopters from beyond the horizon, where the enemy cannot easily detect or attack them. The conventional landing ship tank (LST) has to approach the coastline for landing, at the risk of being fired upon by the enemy.

The LPX has a carrying limit of 720 marines (+300 crew members), ten tanks, ten trucks, 7 AAVs, three field artillery pieces, and two LCAC hovercraft. It can also carry ten helicopters when no ground vehicles are on its hangar deck.[6]

The flight surface is also sprayed with urethane, which can support VTOL aircraft. South Korea is considering the purchase of F-35B fighters to operate from its Dokdo-class ships.[7][needs update] Currently, the LPX operates mainly UH-1H and UH-60P. However, both are designed for land‐based operations and lack abilities for ship-borne operations, such as protection against damage from salty breezes, making them challenging to operate on-board continuously.[8] The KUH-Amphibious, the sea-based amphibious variant of the KAI Surion, is now under development. Production is planned to commence in late 2015, with some 40 helicopters planned.[9][needs update]

Self-defense armament includes the RIM-116 Rolling Airframe Missile system. The Goalkeeper close-in weapon system (CIWS) was purchased in January 2003 from Thales at a pre-set price of 13,000,000,000 won (roughly $15,000,000).

The second ship of the class, Marado, was built with some changes compared to Dokdo. The flight deck is adapted to accommodate two V-22 Ospreys, while Dokdo could only carry one. In place of the Thales SMART-L multibeam radar and MW08 surveillance radar, Marado uses the Elta Systems EL/M-2248 MF-STAR multifunction surveillance radar and LIG Nex1 SPS-550K 3-D air and surface surveillance radar. It also has a different weapons suite than the 30 mm Goalkeeper and RAM, instead using two 20 mm Phalanx CIWS and having a K-VLS at the rear of the superstructure for the locally developed K-SAAM.[10][11][12]

Dokdo is similar in size to the light aircraft carriers derived from the Sea Control Ship, such as the Spanish Navy's former aircraft carrier Príncipe de Asturias and the Royal Thai Navy's Chakri Naruebet.

Ships in the class

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Name Pennant number Builder Launched Commissioned Status
ROKS Dokdo LPH-6111 Hanjin Heavy Industries 12 July 2005 3 July 2007 Active
ROKS Marado LPH-6112 Hanjin Heavy Industries 14 May 2018 28 June 2021 Active

Plans

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Dokdo conducts well-deck operations with a US Navy LCAC.
Dokdo assisting search and rescue after the sinking of ROKS Cheonan.
The ROKS Marado in Busan, 2019.

Some proposed uses for the ship include UN peacekeeping operations and disaster relief.

The Korean news agency Yonhap reported in December 2017 that the Korean military was considering operating F-35B aircraft from the Dokdo-class amphibious assault ships.[13][14] However, as of December 2022, no such plans have been officially declared.

In November 2024, the Republic of Korea Navy tested the Gray Eagle STOL UAV on ROKS Dokdo amphibious assault ship. The Gray Eagle UAV took off from Dokdo, flew twice close to her port side to perform a "simulated landing procedure", but did not land on the ship.[15][16]

References

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  1. ^ 김, 귀근 (2019-08-14). "국방중기계획, 軍핵심능력 확보주력…EMP탄 개발·정찰위성 배치". Yonhap News Agency (in Korean). Retrieved 2020-11-15.
  2. ^ "Cost of Republic of Korea Armed Forces Weapons". Archived from the original on 2017-06-28. Retrieved 2010-08-22.
  3. ^ "Dokdo Class Landing Platform Helicopter (LPH)". naval-technology.com. Retrieved 8 March 2015.
  4. ^ "Dokdo Class Landing Platform Helicopter (LPH)". Naval Technology. July 2005. Retrieved 5 August 2019.
  5. ^ "Hanjin Heavy Industries & Construction (HHIC) - LPH Landing Ship (Dokdo) & LSF II Assault Hovercraft". YouTube. 2010-02-17. Retrieved 2013-09-03.[dead YouTube link]
  6. ^ Yoshifuru Otsuka (December 2012). "Amphibious forces of China, Taiwan and South Korea". Ships of the World (in Japanese) (770): 76–81.
  7. ^ Yeo, Mike (28 December 2017). "Japan, South Korea may refit naval ships for F-35 fighters".
  8. ^ 김성만 (2011-10-08). 독도함은 날고 싶다 (in Korean). Retrieved 2013-05-09.
  9. ^ "KAI to develop amphibious assault variant of Surion". Flightglobal.com. 18 April 2013.
  10. ^ Rahmat, Ridzwan (16 May 2018). "South Korea selects mix of local, Israeli sensors for second Dokdo-class helicopter carrier". Jane's Information Group. Retrieved 2 June 2018.
  11. ^ "South Korea changes mission for its newly launched assault ship". Defense News. 21 May 2018.
  12. ^ Rahmat, Ridzwan (30 May 2018). "South Korea to deploy K-SAAM on second Dokdo class". Jane's Information Group. Archived from the original on 28 May 2018. Retrieved 2 June 2018.
  13. ^ "S. Korea's military mulls operating F-35B stealth aircraft aboard new amphibious assault ship". Yonhap News Agency. Seoul. 25 December 2017. Archived from the original on 27 December 2017. Retrieved 27 December 2017.
  14. ^ Sisk, Richard (27 December 2017). "South Korea, Japan Mull F-35Bs for Amphibious Assault Ships". Military.com. Archived from the original on 27 December 2017. Retrieved 27 December 2017.
  15. ^ Newdick, Thomas (2024-11-13). "Gray Eagle STOL Drone Flies From South Korean Amphibious Assault Ship". The War Zone. Retrieved 2024-11-14.
  16. ^ Cha, Eunhyuk (2024-11-13). "ROK Navy tests Mojave drone aboard ROKS Dokdo". Naval News. Retrieved 2024-11-14.
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