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The Republic of Korea Navy (ROKN; ko, 대한민국 해군), also known as the ROK Navy or South Korean Navy, is the
naval warfare Naval warfare is combat in and on the sea, the ocean, or any other battlespace involving a major body of water such as a large lake or wide river. Mankind has fought battles on the sea for more than 3,000 years. Even in the interior of large lan ...
service branch of the
South Korean armed forces The Republic of Korea Armed Forces (), also known as the ROK Armed Forces, are the armed forces of South Korea. The ROK Armed Forces is one of the largest and most powerful standing armed forces in the world with a reported personnel strength o ...
, responsible for naval and amphibious operations. The ROK Navy includes the
Republic of Korea Marine Corps The Republic of Korea Marine Corps (ROKMC; ko, 대한민국 해병대, Daehanminguk Haebyeongdae), also known as the ROK Marine Corps or ROK Marines, is the marine corps of South Korea. The ROKMC is a branch of the Republic of Korea Navy res ...
, which functions as a branch of the Navy. The ROK Navy has about 70,000 regular personnel including 29,000 Republic of Korea Marines. There are about 160 commissioned ships in the ROK Navy. The naval aviation force consists of about 70 fixed-wing and
rotary-wing aircraft A rotorcraft or rotary-wing aircraft is a heavier-than-air aircraft with rotary wings or rotor blades, which generate lift by rotating around a vertical mast. Several rotor blades mounted on a single mast are referred to as a rotor. The Internat ...
. The ROK Marine Corps has about 300
tracked vehicles Continuous track is a system of vehicle propulsion used in tracked vehicles, running on a continuous band of treads or track plates driven by two or more wheels. The large surface area of the tracks distributes the weight of the vehicle b ...
including assault amphibious vehicles. The Republic of Korea Navy was established as the Marine Defense Group on November 11, 1945 after
Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel north, 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and Sout ...
was liberated from the
Empire of Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent for ...
on August 15, 1945. Since the
Korean War {{Infobox military conflict , conflict = Korean War , partof = the Cold War and the Korean conflict , image = Korean War Montage 2.png , image_size = 300px , caption = Clockwise from top:{ ...
, the
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korean Peninsula and sharing a land border with North Korea. Its western border is formed by the Yellow Sea, while its eas ...
n navy had concentrated its efforts on building naval forces to counteract hostilities of
North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korean Peninsula and shares borders with China and Russia to the north, at the Yalu (Amnok) and ...
. As South Korea's economy grew, the ROK Navy was able to locally build larger and better equipped fleets to deter aggression, to protect the
sea lines of communication Sea lines of communication (abbreviated as SLOC) is a term describing the primary maritime routes between ports, used for trade, logistics and naval forces. It is generally used in reference to naval operations to ensure that SLOCs are open, or i ...
, and to support the nation's
foreign policy A state's foreign policy or external policy (as opposed to internal or domestic policy) is its objectives and activities in relation to its interactions with other states, unions, and other political entities, whether bilaterally or through ...
. As part of its mission, the ROK Navy has engaged in several peacekeeping operations since the turn of the 21st century. The ROK Navy aims to become a
blue-water navy A blue-water navy is a maritime force capable of operating globally, essentially across the deep waters of open oceans. While definitions of what actually constitutes such a force vary, there is a requirement for the ability to exercise sea con ...
in the 2020s.


Duties and objectives

The objectives of the ROK Navy as the main force for the national security and prosperity are: * To deter war * To gain victory at sea * To protect national interests * To contribute to world peace


History


Origins

Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel north, 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and Sout ...
has a long history of naval activity. In the late 4th century during the
Three Kingdoms Period The Three Kingdoms () from 220 to 280 AD was the tripartite division of China among the dynastic states of Cao Wei, Shu Han, and Eastern Wu. The Three Kingdoms period was preceded by the Eastern Han dynasty and was followed by the Wester ...
,
Goguryeo Goguryeo (37 BC–668 AD) ( ) also called Goryeo (), was a Korean kingdom located in the northern and central parts of the Korean Peninsula and the southern and central parts of Northeast China. At its peak of power, Goguryeo controlled mos ...
defeated
Baekje Baekje or Paekche (, ) was a Korean kingdom located in southwestern Korea from 18 BC to 660 AD. It was one of the Three Kingdoms of Korea, together with Goguryeo and Silla. Baekje was founded by Onjo, the third son of Goguryeo's founder Ju ...
, fielding amphibious forces of 40,000 men in the process. In 732, the
Balhae Balhae ( ko, 발해, zh, c=渤海, p=Bóhǎi, russian: Бохай, translit=Bokhay, ), also rendered as Bohai, was a multi-ethnic kingdom whose land extends to what is today Northeast China, the Korean Peninsula and the Russian Far East. It w ...
navy "attacked the
Shandong peninsula The Shandong (Shantung) Peninsula or Jiaodong (Chiaotung) Peninsula is a peninsula in Shandong Province in eastern China, between the Bohai Sea to the north and the Yellow Sea to the south. The latter name refers to the east and Jiaozhou. Geo ...
and destroyed the biggest seaport of the
Tang Empire The Tang dynasty (, ; zh, t= ), or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingd ...
in the east – Dengzhou." In the 9th century, Commissioner Chang Bogo of
Unified Silla Unified Silla, or Late Silla (, ), is the name often applied to the Korean kingdom of Silla, one of the Three Kingdoms of Korea, after 668 CE. In the 7th century, a Silla–Tang alliance conquered Baekje and the southern part of Goguryeo in the ...
established a maritime base called Cheonghaejin on an island to foster trading with
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
and
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
, and to eradicate pirates. In 1380, naval forces of the
Goryeo Dynasty Goryeo (; ) was a Korean kingdom founded in 918, during a time of national division called the Later Three Kingdoms period, that unified and ruled the Korean Peninsula until 1392. Goryeo achieved what has been called a "true national unificat ...
defeated 500 invading Japanese pirate vessels by deploying shipboard guns, devised by Choi Moosun. This is reportedly the first use of shipboard guns in
naval history Naval warfare is combat in and on the sea, the ocean, or any other battlespace involving a major body of water such as a large lake or wide river. Mankind has fought battles on the sea for more than 3,000 years. Even in the interior of large lan ...
. In 1389 and 1419, Korean naval forces invaded
Tsushima Island is an island of the Japanese archipelago situated in-between the Tsushima Strait and Korea Strait, approximately halfway between Kyushu and the Korean Peninsula. The main island of Tsushima, once a single island, was divided into two in 1671 by ...
to suppress Japanese piracy. In the early years of the
Joseon Dynasty Joseon (; ; Middle Korean: 됴ᇢ〯션〮 Dyǒw syéon or 됴ᇢ〯션〯 Dyǒw syěon), officially the Great Joseon (; ), was the last dynastic kingdom of Korea, lasting just over 500 years. It was founded by Yi Seong-gye in July 1392 and ...
, the naval force reached its peak of 50,000 personnel, in order to combat the ongoing piracy issue. During the Japanese invasions of Korea (the Imjin War) in the 16th century, the Korean naval force commanded by Admiral Yi Sunshin, who later became the head of the navy, cut off the invaders' naval lifeline and defeated the Japanese fleet, reversing the war in favor of Joseon. Admiral Yi is also credited with the creation of the
Turtle Ship A ''Geobukseon'' ( ko, script=Hang, 거북선, ), also known as turtle ship in western descriptions, was a type of large Korean warship that was used intermittently by the Royal Korean Navy during the Joseon dynasty from the early 15th century ...
. By the end of the 19th century, the Joseon navy had no significant naval force other than coastal defense fortresses. In 1893, the Joseon court requested the British Consul-General to dispatch a naval officer for organizing a naval school in an attempt to modernize the navy. In September 1893, the navy school was established in
Ganghwa Island Ganghwa Island (Hangul ; Hanja ), also known by its native name Ganghwado, is a South Korean island in the estuary of the Han River. It is in the Yellow Sea, off Korea's west coast. The island is separated from Gimpo (on the South Korean mainla ...
.
Lieutenant A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a commissioned officer rank in the armed forces of many nations. The meaning of lieutenant differs in different militaries (see comparative military ranks), but it is often su ...
William H. Callwell, a retired British naval officer, and John W. Curtis, a gunnery instructor, served as instructors for 160 cadets and sailor recruits. However, the Royal Naval Academy was closed in November 1894, and the Joseon navy was brought to an end in 1895 due to the
First Sino-Japanese War The First Sino-Japanese War (25 July 1894 – 17 April 1895) was a conflict between China and Japan primarily over influence in Korea. After more than six months of unbroken successes by Japanese land and naval forces and the loss of the po ...
and the Gabo Reform. In 1903, the government of the
Korean Empire The Korean Empire () was a Korean monarchical state proclaimed in October 1897 by Emperor Gojong of the Joseon dynasty. The empire stood until Japan's annexation of Korea in August 1910. During the Korean Empire, Emperor Gojong oversaw the G ...
purchased its first modern naval ship, KIS ''Yangmu''. Korean naval tradition was disrupted after Korea was annexed by the
Empire of Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent for ...
in 1910. During the Japanese occupation of Korea, the
Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrend ...
(IJN) built a considerable naval base – Chinkai Guard District in southern Korea (at present-day
Jinhae Jinhae-gu (Hangul: 진해구, Hanja: 鎭海區) is a district in Changwon City, South Korea. This region is served by the Korean National Railroad, and is famous for its annual cherry blossom festival every spring. The city front is on a shelte ...
).


Founding years and Korean War

The Republic of Korea Navy was established as the Marine Defense Group on November 11, 1945. After Korea was liberated from the Empire of Japan on August 15, 1945,
Sohn Won-yil Sohn Won-yil (May 5, 1909 in Nampo February 15, 1980) was a South Korean naval vice admiral best known for being the first Chief of Naval Operations (CNO) of the Republic of Korea Navy. As one of the founding members of the Republic of Korea ...
, a former merchant mariner and son of the
Methodist Methodism, also called the Methodist movement, is a group of historically related denominations of Protestant Christianity whose origins, doctrine and practice derive from the life and teachings of John Wesley. George Whitefield and John's ...
minister and independence activist Sohn Jung-do, organized the Marine Defense Group in
Seoul Seoul (; ; ), officially known as the Seoul Special City, is the capital and largest metropolis of South Korea.Before 1972, Seoul was the ''de jure'' capital of the Democratic People's Republic of Korea (North Korea) as stated iArticle 103 ...
. The Group formed the Korean Coast Guard and Coast Guard Academy at Jinhae, and the Korean Coast Guard acquired 36 patrol boats (mainly ex- IJN and
USN The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
minecraft ''Minecraft'' is a sandbox game developed by Mojang Studios. The game was created by Markus "Notch" Persson in the Java programming language. Following several early private testing versions, it was first made public in May 2009 before bei ...
) through the
United States Army Military Government in Korea The United States Army Military Government in Korea (USAMGIK) was the official ruling body of the Southern half of the Korean Peninsula from 8 September 1945 to 15 August 1948. The country during this period was plagued with political and ec ...
. After the
South Korean government The Government of South Korea is the union government of the Republic of Korea, created by the Constitution of South Korea as the executive, legislative and judicial authority of the republic. The president acts as the head of state and is the ...
government was established on August 15, 1948, the Korean Coast Guard became the Republic of Korea Navy, and Sohn was appointed as the first
Chief of Naval Operations The chief of naval operations (CNO) is the professional head of the United States Navy. The position is a statutory office () held by an admiral who is a military adviser and deputy to the secretary of the Navy. In a separate capacity as a memb ...
of the ROK Navy. On April 15, 1949, the
Republic of Korea Marine Corps The Republic of Korea Marine Corps (ROKMC; ko, 대한민국 해병대, Daehanminguk Haebyeongdae), also known as the ROK Marine Corps or ROK Marines, is the marine corps of South Korea. The ROKMC is a branch of the Republic of Korea Navy res ...
(ROKMC) was founded at Jinhae. In October 1949, the ROK Navy purchased a 600-ton submarine chaser, the former with funds raised among its personnel. She was renamed ROKS ''Baekdusan'' (PC 701) after
Paektu Mountain Paektu Mountain (), also known as Baekdu Mountain and in China as Changbai Mountain ( zh, s=长白山, t=長白山; Manchu: Golmin Šanggiyan Alin), is an active stratovolcano on the Chinese–North Korean border. At , it is the highest mou ...
, and became "the first significant
warship A warship or combatant ship is a naval ship that is built and primarily intended for naval warfare. Usually they belong to the armed forces of a state. As well as being armed, warships are designed to withstand damage and are usually faster and ...
of the newly independent nation". The
Korean War {{Infobox military conflict , conflict = Korean War , partof = the Cold War and the Korean conflict , image = Korean War Montage 2.png , image_size = 300px , caption = Clockwise from top:{ ...
started with the North Korean army's surprise attack on Sunday, June 25, 1950. The ROK Navy confronted threats from the
North Korean navy The Korean People's Army Naval Force (KPANF; Korean: 조선인민군 해군; Hanja: 朝鮮人民軍 海軍; ''Chosŏn-inmingun Haegun''; ) or the Korean People's Navy (KPN), is the naval service branch of the Korean People's Army, which contain ...
: "Perhaps the most aggressive and effective, if smallest, member of the South Korean armed services during the first year of the Korean War was the Republic of Korea Navy (ROKN). At the outset of the conflict, the 6,956-man ROKN, with 3naval vessels of various types, was outnumbered by the 13,700 men and 110 naval vessels of the North Korean navy." With its UN allies, dominated by U.S. forces, the ROK Navy was able to gain control in the seas surrounding the country, as a task group of the UN Blockading and Escort Force (Task Force 95). On July 27, 1953, the three-year-long war was brought to an end when an armistice agreement was signed. During the war,
Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country b ...
,
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world ...
,
Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Cari ...
,
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
,
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
, the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Neth ...
,
New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island country ...
,
Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...
, the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and No ...
, and the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territo ...
contributed naval vessels as UN allies;
Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Danish Realm, Kingdom of Denmark ...
sent the hospital ship ''Jutlandia''. During the Korean War, the ROK Navy acquired 28 ex-USN ships including five ''Tacoma''-class
frigate A frigate () is a type of warship. In different eras, the roles and capabilities of ships classified as frigates have varied somewhat. The name frigate in the 17th to early 18th centuries was given to any full-rigged ship built for speed an ...
s. In September 1953, the ROK Navy established the Republic of Korea Fleet, which was responsible for the operation and training of the ships.


Building up the fleet

After the Korean War, the ROK Navy built up its surface fleet with
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...
-era warships loaned from the
U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage o ...
. From 1955 to 1960, the ROK Navy acquired 42 ex-USN warships including two ''Cannon''-class
destroyer escort Destroyer escort (DE) was the United States Navy mid-20th-century classification for a warship designed with the endurance necessary to escort mid-ocean convoys of merchant marine ships. Development of the destroyer escort was promoted by ...
s. In May 1963, the ROK Navy acquired its first
destroyer In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally developed in ...
, ROKS ''Chungmu'' (DD 91), a . Starting from 1972, nine former USN and s were transferred and added to the ROK Fleet inventory. During the
Vietnam War The Vietnam War (also known by other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vietna ...
, the ROK Navy dispatched the Naval Transport Group ("Seagull"), and the
Republic of Korea Marine Corps The Republic of Korea Marine Corps (ROKMC; ko, 대한민국 해병대, Daehanminguk Haebyeongdae), also known as the ROK Marine Corps or ROK Marines, is the marine corps of South Korea. The ROKMC is a branch of the Republic of Korea Navy res ...
sent the 2nd Marine Brigade ("Blue Dragon") to
South Vietnam South Vietnam, officially the Republic of Vietnam ( vi, Việt Nam Cộng hòa), was a state in Southeast Asia that existed from 1955 to 1975, the period when the southern portion of Vietnam was a member of the Western Bloc during part of t ...
. In April 1975, just before the
Fall of Saigon The Fall of Saigon, also known as the Liberation of Saigon by North Vietnamese or Liberation of the South by the Vietnamese government, and known as Black April by anti-communist overseas Vietnamese was the capture of Ho Chi Minh City, Saigon, t ...
, two ROKN LSTs evacuated about 1,300 South Vietnamese and South Koreans from South Vietnam to South Korea. On July 30, 1960, ROKS ''Gangwon'' (DE 72), formerly , sank the North Korean navy patrol craft ''PBS 371'' off the coast of Geojin. On January 19, 1967, ROKS ''Dangpo'' (PCE 56), the former USS ''Marfa'', was sunk by North Korean
coastal artillery Coastal artillery is the branch of the armed forces concerned with operating anti-ship artillery or fixed gun batteries in coastal fortifications. From the Middle Ages until World War II, coastal artillery and naval artillery in the form of ...
north of the demarcation line off the east coast of Korea. In June 1970, a Navy broadcast vessel (''I 2'') was captured and abducted by North Korean patrol craft in the vicinity of Yeonpyeong Islands in the West Sea (
Yellow Sea The Yellow Sea is a marginal sea of the Western Pacific Ocean located between mainland China and the Korean Peninsula, and can be considered the northwestern part of the East China Sea. It is one of four seas named after common colour ter ...
). On February 22, 1974, a Navy harbor tug (''YTL 30'') capsized off
Tongyeong Tongyeong () is a coastal city in South Gyeongsang Province, South Korea. In 2010, it had an area of and a population of 139,869 people. It is divided into 1 eup (town), 6 myeon (township) and 11 dong (neighborhood). Chungmu city and Tongyeong c ...
, resulting in death of 153 Navy,
Coast Guard A coast guard or coastguard is a maritime security organization of a particular country. The term embraces wide range of responsibilities in different countries, from being a heavily armed military force with customs and security duties to ...
recruits and 6 sailors.


Indigenous warship building

In the 1970s, through the
Park Chung-hee Park Chung-hee (, ; 14 November 1917 – 26 October 1979) was a South Korean politician and army general who served as the dictator of South Korea from 1961 until his assassination in 1979; ruling as an unelected military strongman from 196 ...
Administration's "''Yulgok'' Plan" (an eight-year national defense plan "to build up self-reliant, national defense capability"), the ROK Navy began to establish a fleet of locally built warships. The Navy acquired shipbuilding capabilities by planning and building high-speed patrol craft such as ''Baekgu'' class and ''Chamsuri'' class in the 1970s – in November 1972, the ROK Navy launched its first domestically built fast patrol craft to intercept North Korean spy boats. The lead ship (FF 951) of the 2,000-ton ''Ulsan''-class frigates was launched in 1980. The lead ship (PCC 751) of the 1,000-ton ''Donghae''-class corvettes and the lead ship (PCC 756) of the updated ''Pohang''-class corvettes were launched in 1982 and 1984 respectively. With local shipbuilders, the ROK Navy continued to carry out other shipbuilding programs for such as the ''Dolgorae-''class
midget submarine A midget submarine (also called a mini submarine) is any submarine under 150 tons, typically operated by a crew of one or two but sometimes up to six or nine, with little or no on-board living accommodation. They normally work with mother ships, ...
, ''Gojunbong-''class
tank landing ship Landing Ship, Tank (LST), or tank landing ship, is the naval designation for ships first developed during World War II (1939–1945) to support amphibious operations by carrying tanks, vehicles, cargo, and landing troops directly onto shore wit ...
, mine warfare ship ( ''Wonsan-''class minelayer, ''Ganggyeong-''class
minesweeper A minesweeper is a small warship designed to remove or detonate naval mines. Using various mechanisms intended to counter the threat posed by naval mines, minesweepers keep waterways clear for safe shipping. History The earliest known usage of ...
), ''Cheonji-''class logistics support ship, and ''Cheonghaejin''-class submarine rescue ship in the 1980s and 1990s. In November 1987, the Headquarters Republic of Korea Marine Corps was re-established; it was disbanded in October 1973 due to budget constraint. In June 1993, the ROK Navy Headquarters was relocated from
Seoul Seoul (; ; ), officially known as the Seoul Special City, is the capital and largest metropolis of South Korea.Before 1972, Seoul was the ''de jure'' capital of the Democratic People's Republic of Korea (North Korea) as stated iArticle 103 ...
to the Gyeryongdae complex, the tri-service headquarters in
Gyeryong Gyeryong (, ko, 계룡시) is a city in southeastern South Chungcheong province, South Korea. The current mayor is Choi Hong-Mook. The city was created in 2003, by a split from Nonsan city, following prolonged local agitation. Located on the ou ...
.


From a coastal navy to a green-water navy

Since the 1990s, the ROK Navy has been trying to build an ocean-going fleet to protect its
sea lines of communication Sea lines of communication (abbreviated as SLOC) is a term describing the primary maritime routes between ports, used for trade, logistics and naval forces. It is generally used in reference to naval operations to ensure that SLOCs are open, or i ...
. In 1989, the Navy mentioned the "Strategic Task Fleet" (''Jeollyak-gidong-hamdae'') in the Joint Strategic Objectives Plan. The ROK Naval forces began to participate in
RIMPAC RIMPAC, the Rim of the Pacific Exercise, is the world's largest international maritime warfare exercise. RIMPAC is held biennially during June and July of even-numbered years from Honolulu, Hawaii, with the exception of 2020 where it was held i ...
exercises from 1990. During Admiral An Pyong-tae's tenure as CNO,
President President most commonly refers to: * President (corporate title) *President (education), a leader of a college or university * President (government title) President may also refer to: Automobiles * Nissan President, a 1966–2010 Japanese f ...
Kim Young-sam Kim Young-sam (; or ; 20 December 1927 – 22 November 2015) was a South Korean politician and activist who served as the seventh president of South Korea from 1993 to 1998. From 1961, he spent almost 30 years as one of the leaders of ...
supported the Navy by approving a long-term shipbuilding plan for the ocean-going navy. In 1999, the Navy developed its strategic vision for the 2020s as "Navy Vision 2020" that outlined the Navy's future Task Fleet, which includes
light aircraft carrier A light aircraft carrier, or light fleet carrier, is an aircraft carrier that is smaller than the standard carriers of a navy. The precise definition of the type varies by country; light carriers typically have a complement of aircraft only one-h ...
s and
ballistic missile submarine A ballistic missile submarine is a submarine capable of deploying submarine-launched ballistic missiles (SLBMs) with nuclear warheads. The United States Navy's hull classification symbols for ballistic missile submarines are SSB and SSBN � ...
s."21세기 통일한국의 大洋해군 전략"
. Donga.com. Retrieved March 8, 2007.
At the same time, the ROK Navy steadily upgraded its naval forces: In order to strengthen the
surface combatant Surface combatants (or surface ships or surface vessels) are a subset of naval warships which are designed for warfare on the surface of the water, with their own weapons and armed forces. They are generally ships built to fight other ships, sub ...
s, the ROK Navy launched the lead ship (DDH 971) of the ''Kwanggaeto the Great''-class destroyer in 1996 to replace the former USN destroyers. For building up a
submarine A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely o ...
force, the ROK Navy acquired its first submarine (other than midget submarines), ROKS ''Chang Bogo'' (SS 061), from
Howaldtswerke-Deutsche Werft Howaldtswerke-Deutsche Werft (often abbreviated HDW) is a German shipbuilding company, headquartered in Kiel. It is part of the ThyssenKrupp Marine Systems (TKMS) group, owned by ThyssenKrupp. The Howaldtswerke shipyard was founded in Kiel in 18 ...
of Germany in 1992. In order to replace its antiquated
S-2 Tracker The Grumman S-2 Tracker (S2F prior to 1962) was the first purpose-built, single airframe anti-submarine warfare (ASW) aircraft to enter service with the United States Navy. Designed and initially built by Grumman, the Tracker was of convention ...
anti-submarine warfare Anti-submarine warfare (ASW, or in older form A/S) is a branch of underwater warfare that uses surface warships, aircraft, submarines, or other platforms, to find, track, and deter, damage, or destroy enemy submarines. Such operations are typ ...
aircraft, the ROK Navy purchased a squadron of
P-3C Orion The Lockheed P-3 Orion is a four-engined, turboprop anti-submarine and maritime surveillance aircraft developed for the United States Navy and introduced in the 1960s. Lockheed based it on the L-188 Electra commercial airliner.
(NLL) in the vicinity of Yeonpyeong Islands. On June 29, 2002, the two navies engaged again in the same vicinity, resulting in the sinking of ROKS ''Chamsuri 357'' (PKM 357). In 2002, the lead ship (DDH 975) of the 5,500-ton ''Chungmugong Yi Sunshin''-class destroyers was launched. In 2005, an 18,800-ton
amphibious transport dock An amphibious transport dock, also called a landing platform dock (LPD), is an amphibious warfare ship, a warship that embarks, transports, and lands elements of a landing force for expeditionary warfare missions. Several navies currently opera ...
, ROKS ''Dokdo'' (LPH 6111) was launched. In 2006, the ROK Navy launched the lead ship (SS 072), which was named after the first Chief of Naval Operations, of the 1,800-ton ''Sohn Wonyil''-class submarine equipped with an
Air-Independent Propulsion Air-independent propulsion (AIP), or air-independent power, is any marine propulsion technology that allows a non-nuclear submarine to operate without access to atmospheric oxygen (by surfacing or using a snorkel). AIP can augment or replace t ...
(AIP) system. In May 2007, the ROK Navy launched the lead ship (DDG 991) of the 11,000-ton ''Sejong the Great''-class destroyers, built around the American-made
AEGIS combat system The Aegis Combat System is an American integrated naval weapons system developed by the Missile and Surface Radar Division of RCA, and it is now produced by Lockheed Martin. Initially used by the United States Navy, Aegis is now used also by ...
and the SPY-1D(v) multi-function phased array radar. In December 2008, the ROK Navy commissioned the fast missile craft ROKS ''Yoon Youngha'' (PKG 711), which was named after the skipper of ROKS ''Chamsuri 357''. From 2001 to 2003, a naval transport unit called ''Haeseong'' supported
Operation Enduring Freedom Operation Enduring Freedom (OEF) was the official name used synonymously by the U.S. government for both the War in Afghanistan (2001–2014) and the larger-scale Global War on Terrorism. On 7 October 2001, in response to the September 11 at ...
and the ''Sangnoksu'' Unit in
East Timor East Timor (), also known as Timor-Leste (), officially the Democratic Republic of Timor-Leste, is an island country in Southeast Asia. It comprises the eastern half of the island of Timor, the exclave of Oecusse on the island's north-wes ...
. In 2005, the Navy dispatched transport unit ''Jejung'' to supply aid in humanitarian response to the
2004 Indian Ocean earthquake An earthquake and a tsunami, known as the Boxing Day Tsunami and, by the scientific community, the Sumatra–Andaman earthquake, occurred at 07:58:53 local time ( UTC+7) on 26 December 2004, with an epicentre off the west coast of northern ...
. The ROK Navy hosted its second international fleet review off coast of Busan in October 2008 to celebrate the 60th anniversary of the South Korean government. On March 26, 2010, ROKS ''Cheonan'' (PCC 772), a ''Pohang''-class
corvette A corvette is a small warship. It is traditionally the smallest class of vessel considered to be a proper (or " rated") warship. The warship class above the corvette is that of the frigate, while the class below was historically that of the slo ...
was sunk by a North Korean torpedo, resulting in the deaths of 46 sailors near Baengnyeong Island, in the vicinity of the Northern Limit Line.


From green water to blue water

In preparation for an ocean-going navy, the ROK Navy established a task force called Maritime Task Flotilla Seven in February 2010. Since 2009, a ''Chungmugong Yi Sunshin''-class destroyer from the task force is being deployed as the Escort Task Group (''Cheonghae'') in response to
piracy Piracy is an act of robbery or criminal violence by ship or boat-borne attackers upon another ship or a coastal area, typically with the goal of stealing cargo and other valuable goods. Those who conduct acts of piracy are called pirates, v ...
off the coast of
Somalia Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constituti ...
. On January 21, 2011, naval commandos of the task group carried out an
operation Operation or Operations may refer to: Arts, entertainment and media * ''Operation'' (game), a battery-operated board game that challenges dexterity * Operation (music), a term used in musical set theory * ''Operations'' (magazine), Multi-Ma ...
, and succeeded in rescuing the crew of the hijacked MV ''Samho Jewelry''. As a humanitarian operation, the unit was dispatched to evacuate South Koreans and foreign nationals from war-torn
Libya Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to the east, Suda ...
in 2011 and 2014. The ROK Navy completed a new naval base called Jeju Civilian-Military Complex Port in February 2016 on the southern coast of Jeju Island to protect the
sea lines of communication Sea lines of communication (abbreviated as SLOC) is a term describing the primary maritime routes between ports, used for trade, logistics and naval forces. It is generally used in reference to naval operations to ensure that SLOCs are open, or i ...
. In order to support ocean-going operations, the ROK Navy commissioned the 10,000-ton logistics support ship, ROKS ''Soyang'' (AOE 51), and launched the first locally designed 3,000-ton submarine, ''Dosan Ahn Changho'' (SS 083) in September 2018. The ROK Navy continued shipbuilding programs to upgrade its fleet with local shipbuilders. In order to replace the aging ''Pohang''-class corvettes and ''Ulsan''-class frigates, and to take over multi-role operations such as coast patrol and anti-submarine warfare, the ROK Navy commissioned six 2,300-ton ''Incheon''-class frigates between 2013 and 2016, and the lead ship (FFG 818) of the 2,800-ton ''Daegu''-class frigates in March 2018. Two ex-USN ''Edenton''-class salvage and rescue ships were replaced with two locally built 3,500-ton ''Tongyeong''-class ships between 2014 and 2016. The Navy commissioned a 3,000-ton
minelayer A minelayer is any warship, submarine or military aircraft deploying explosive mines. Since World War I the term "minelayer" refers specifically to a naval ship used for deploying naval mines. "Mine planting" was the term for installing cont ...
, ROKS ''Nampo'' (MLS 570), in June 2017. The lead ship of the PKX-B fast rocket craft, ROKS ''Chamsuri 211'' (PKMR 211), was commissioned in November 2017 to relieve the aging fleet of ''Chamsuri''-class patrol craft. The ROK Navy commissioned four 4,500-ton ''Cheonwangbong''-class
dock landing ship A dock landing ship (also called landing ship, dock or LSD) is an amphibious warfare ship with a well dock to transport and launch landing craft and amphibious vehicles. Some ships with well decks, such as the Soviet Ivan Rogov class, also ha ...
s between 2014 and 2018. In May 2018, the Navy launched the ''Marado'' (LPH 6112), which was the second ship of the ''Dokdo''-class
amphibious transport dock An amphibious transport dock, also called a landing platform dock (LPD), is an amphibious warfare ship, a warship that embarks, transports, and lands elements of a landing force for expeditionary warfare missions. Several navies currently opera ...
. In June 2018, the Navy launched a 4,500-ton training ship, the ''Hansando'' (ATH 81), which was also designed as a casualty receiving and treatment ship (CRTS). In October 2018, the Navy hosted its third international fleet review off coast of Jeju Island. In 2019, the Navy updated its strategic vision for the 100th anniversary of the ROK Navy as "Navy Vision 2045". As part of the vision, Admiral Sim Seung-seob, the Chief of Naval Operations proposed to build an ICT-based, system-driven "Smart Navy".


Aircraft carrier ambitions

Since the 1990s, the ROK Navy has been planning to acquire an aircraft carrier force as part of its commitment to become a blue-water navy. The symbol of the ROK Navy that was introduced in 2000 depicts the Navy's aircraft carrier ambitions. In 2005 and 2018 the ROK Navy launched two 18,800-ton ''Dokdo''-class amphibious ships (LPH), equipped with a full-length flight deck and facilities for operating helicopters. In August 2020, the Ministry of National Defense formally announced its intent to begin construction of a 30,000-ton light aircraft carrier. It is expected to purchase
F-35B The Lockheed Martin F-35 Lightning II is an American family of single-seat, single-engine, all-weather stealth multirole combat aircraft that is intended to perform both air superiority and strike missions. It is also able to provide elect ...
aircraft from the United States for the carrier. It was authorized as the CVX program in February 2021.


Organization

The Republic of Korea Navy includes the Republic of Korea Navy Headquarters, Republic of Korea Fleet,
Republic of Korea Marine Corps The Republic of Korea Marine Corps (ROKMC; ko, 대한민국 해병대, Daehanminguk Haebyeongdae), also known as the ROK Marine Corps or ROK Marines, is the marine corps of South Korea. The ROKMC is a branch of the Republic of Korea Navy res ...
, Naval Education and Training Command, Naval Logistics Command, and Naval Academy. The
Chief of Naval Operations The chief of naval operations (CNO) is the professional head of the United States Navy. The position is a statutory office () held by an admiral who is a military adviser and deputy to the secretary of the Navy. In a separate capacity as a memb ...
(CNO) is the highest-ranking officer of the ROK Navy.


Republic of Korea Navy Headquarters

The ROK Navy is led by the Chief of Naval Operations (CNO). The Republic of Korea Navy Headquarters is located within the Gyeryongdae complex, the tri-service headquarters in
Gyeryong Gyeryong (, ko, 계룡시) is a city in southeastern South Chungcheong province, South Korea. The current mayor is Choi Hong-Mook. The city was created in 2003, by a split from Nonsan city, following prolonged local agitation. Located on the ou ...
, includes the office of the Chief of Naval Operations and various agencies and staff functions. The CNO is a four-star admiral and a member of the
Joint Chiefs of Staff The Joint Chiefs of Staff (JCS) is the body of the most senior uniformed leaders within the United States Department of Defense, that advises the president of the United States, the secretary of defense, the Homeland Security Council and ...
. The CNO oversees the administration of organizing, recruiting, training, equipping, supplying, and mobilizing the ROK Navy. Despite the title, the Chief of Naval Operations does not have operational command authority over combat units (i.e. Republic of Korea Fleet, Republic of Korea Marine Corps). The CNO is an administrative position based in the Gyeryongdae complex, and exercises supervision of Navy organizations as the designee of the
Minister of National Defense A defence minister or minister of defence is a cabinet official position in charge of a ministry of defense, which regulates the armed forces in sovereign states. The role of a defence minister varies considerably from country to country; in so ...
. Operational command of combat units falls within the purview of the Chairman of the Joint Chiefs of Staff who reports to the Minister of National Defense.


Republic of Korea Fleet

The Republic of Korea Fleet, the highest operational command of the ROK Navy, was established in September 1953. Headquartered at Busan Naval Base, the Commander Republic of Korea Fleet (formerly Commander-in-Chief Republic of Korea Fleet) is responsible for naval operations. COMROKFLT, a three-star admiral, also serves as the Commander Naval Component Command (CNCC) of the ROK-US Combined Forces Command (CFC). The Republic of Korea Fleet has three numbered fleets each assigned to the seas east, west, and south of South Korea: ::*First Fleet ( HQ: Donghae) :::*Maritime Battle Group One ::*Second Fleet (HQ:
Pyeongtaek Pyeongtaek () is a city in Gyeonggi Province, South Korea. Located in the southwestern part of the province, Pyeongtaek was founded as a union of two districts in 940, during the Goryeo dynasty. It was elevated to city status in 1986 and is home ...
) :::*Maritime Battle Group Two :::*Incheon Naval Sector Defense Command (HQ:
Incheon Incheon (; ; or Inch'ŏn; literally "kind river"), formerly Jemulpo or Chemulp'o (제물포) until the period after 1910, officially the Incheon Metropolitan City (인천광역시, 仁川廣域市), is a city located in northwestern South Kore ...
) ::*Third Fleet (HQ:
Mokpo Mokpo (; ''Mokpo-si'') is a city in South Jeolla Province, South Korea, located at the southwestern tip of the Korean Peninsula, close to Yudal mountain. Mokpo has frequent high-speed train services to Seoul, and is the terminus for a number of f ...
) :::*Maritime Battle Group Three For various types of naval operations, the ROK Fleet has a submarine force, two surface
flotilla A flotilla (from Spanish, meaning a small ''flota'' ( fleet) of ships), or naval flotilla, is a formation of small warships that may be part of a larger fleet. Composition A flotilla is usually composed of a homogeneous group of the same cla ...
s, a naval aviation
force In physics, a force is an influence that can change the motion of an object. A force can cause an object with mass to change its velocity (e.g. moving from a state of rest), i.e., to accelerate. Force can also be described intuitively as a ...
, a special warfare force, and units for combat readiness and
meteorology Meteorology is a branch of the atmospheric sciences (which include atmospheric chemistry and physics) with a major focus on weather forecasting. The study of meteorology dates back millennia, though significant progress in meteorology did no ...
/
oceanography Oceanography (), also known as oceanology and ocean science, is the scientific study of the oceans. It is an Earth science, which covers a wide range of topics, including ecosystem dynamics; ocean currents, waves, and geophysical fluid dyna ...
: ::*Submarine Force Command ::*Component Flotilla Five (Mine Squadron 52, Amphibious Squadron 53, Naval Mobile Construction Squadron 59) ::*Air Wing Six ::*Maritime Task Flotilla Seven (Maritime Task Squadron 71, Maritime Task Squadron 72, Mobile Logistics Squadron 77) ::*Battle Training Group Eight ::* Naval Special Warfare Flotilla (including UDT/SEAL, EOD, and Sea Salvage & Rescue Unit (SSU)) ::*Naval Intelligence Group * Numbered fleets In 1986, the ROK Navy reorganized its patrol forces into three fleets: the First Fleet, Second Fleet, and Third Fleet. The three numbered fleets, each is led by a rear admiral (upper half), are responsible for protecting the coastal water around South Korea: The First Fleet is for the eastern naval sector, the Second Fleet is for the western naval sector and the Third Fleet is for the southern naval sector including Jeju Island. Each fleet includes a Maritime Battle Group, Logistics Squadron, Base Squadron, and Training Squadron. The Maritime Battle Group comprises squadrons of patrol forces composed of ''Kwanggaeto the Great''-class destroyers, ''Daegu''-class and ''Incheon-class'' frigates, ''Ulsan''-class frigates, ''Pohang''-class corvettes, and patrol vessels ( ''Yoon Youngha-''class fast missile craft, ''Chamsuri 211-''class fast rocket craft, ''Chamsuri-''class fast patrol boats). * Submarine Force Command Headquartered in Jinhae, the Submarine Force Command was established in February 2015. The ROK Navy's submarine unit had a humble beginning with three ''Dolgorae''-class midget submarines in June 1990. After acquiring ROKS ''Chang Bogo'' (SS 061), a Type 209-class submarine, the Submarine Squadron 57 of the Component Flotilla Five was upgraded to the Submarine Flotilla Nine in October 1995. Since then, it has been playing the role of the ROK Navy's core strength. The Submarine Force Command, which is led by a rear admiral (upper half), includes six Submarine Squadrons with
Type 214 submarine The Type 214 is a diesel-electric submarine developed by Howaldtswerke-Deutsche Werft GmbH (HDW). It features diesel propulsion with an air-independent propulsion (AIP) system using Siemens polymer electrolyte membrane (PEM) hydrogen fuel ...
s (''Sohn Wonyil'' class) and
Type 209 submarine The Type 209 is a class of diesel-electric attack submarine developed exclusively for export by Howaldtswerke-Deutsche Werft of Germany. The original variant (Type 209/1100) was designed in the late 1960s. The class is exclusively designed for ...
s (''Chang Bogo'' class). In September 2018, the ROK Navy launched the first locally designed 3,000-ton submarine, ''Dosan Ahn Changho'' (SS 083). The Submarine Force Command offers the International Submarine Education & Training Program (ISETP) for submariners around the world. * Component Flotilla Five Headquartered in Jinhae, the Component Flotilla Five has been the matrix of various units conducting naval component operations such as
anti-submarine warfare Anti-submarine warfare (ASW, or in older form A/S) is a branch of underwater warfare that uses surface warships, aircraft, submarines, or other platforms, to find, track, and deter, damage, or destroy enemy submarines. Such operations are typ ...
(ASW), mine warfare,
amphibious warfare Amphibious warfare is a type of offensive military operation that today uses naval ships to project ground and air power onto a hostile or potentially hostile shore at a designated landing beach. Through history the operations were conduc ...
, salvage and
special operations Special operations (S.O.) are military activities conducted, according to NATO, by "specially designated, organized, selected, trained, and equipped forces using unconventional techniques and modes of employment". Special operations may include ...
. As a successor to the Flotilla One and Flotilla Two, the Component Flotilla Five was founded in 1986 with the ASW Squadron 51 (later to become Maritime Task Flotilla Seven), Mine Squadron 52, Amphibious Squadron 53, Service Squadron 55 (later Sea Salvage & Rescue Unit), and Special Warfare Squadron 56 (later Naval Special Warfare Flotilla). In 1990 and 2007, the Submarine Squadron 57 (later Submarine Force Command) and Training Squadron 509 (later Naval Battle Training Group Eight) were established respectively. As of December 2018, the Component Flotilla Five was composed of the Mine Squadron 52, Amphibious Squadron 53, and Naval Mobile Construction Squadron 59. The Commander Component Flotilla Five is a rear admiral (lower half). * Air Wing Six Headquartered in
Pohang Pohang () is a city in the province of North Gyeongsang, South Korea, and a main seaport in the Daegu-Gyeongbuk region. The built-up area of Pohang is located on the alluvium of the mouth of the Hyeongsan River. The city is divided into two w ...
, the Commander Air Wing Six is responsible for the operation of
naval aircraft Naval aviation is the application of military air power by navies, whether from warships that embark aircraft, or land bases. Naval aviation is typically projected to a position nearer the target by way of an aircraft carrier. Carrier-based ...
. South Korean naval flying started in 1951, with the reconstruction of a former
USAF The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signa ...
T-6 Texan The North American Aviation T-6 Texan is an American single-engined advanced trainer aircraft used to train pilots of the United States Army Air Forces (USAAF), United States Navy, Royal Air Force, Royal Canadian Air Force and other air forces ...
for naval duties. In 1957, the ROK Navy established the Fleet Aviation Unit, which became the Fleet Air Wing in 1977 when the Navy strengthened its naval aviation force by acquiring
Grumman S-2 Tracker The Grumman S-2 Tracker (S2F prior to 1962) was the first purpose-built, single airframe anti-submarine warfare (ASW) aircraft to enter service with the United States Navy. Designed and initially built by Grumman, the Tracker was of conventiona ...
ASW aircraft and
Aérospatiale Alouette III The Aérospatiale Alouette III (, ''Lark''; company designations SA 316 and SA 319) is a single-engine, light utility helicopter developed by French aircraft company Sud Aviation. During its production life, it proved to be a relatively popular ...
helicopters. In 1986, the Fleet Air Wing was renamed the Air Wing Six. The Air Wing Six has naval air stations in Pohang (K-3), Mokpo (K-15), Jinhae (K-10), and a detached unit at
Jeju International Airport Jeju International Airport () is the second largest airport in South Korea, just behind Incheon Airport in Incheon. It is located in the city of Jeju. The airport opened in 1968. Jeju International Airport serves many mainland destinations i ...
. The Air Wing Six, which is led by a rear admiral (lower half), includes three air groups, and operates about 70 fixed-wing and
rotary-wing aircraft A rotorcraft or rotary-wing aircraft is a heavier-than-air aircraft with rotary wings or rotor blades, which generate lift by rotating around a vertical mast. Several rotor blades mounted on a single mast are referred to as a rotor. The Internat ...
such as P-3CK Orion
maritime patrol aircraft A maritime patrol aircraft (MPA), also known as a patrol aircraft, maritime reconnaissance aircraft, or by the older American term patrol bomber, is a fixed-wing aircraft designed to operate for long durations over water in maritime patrol roles ...
and AW159 Wildcat ASW helicopters. The ROK Navy plans to upgrade the Air Wing Six to a naval air force command. * Maritime Task Flotilla Seven Since the 1990s, the ROK Navy has been trying to build an ocean-going fleet to protect the
sea lines of communication Sea lines of communication (abbreviated as SLOC) is a term describing the primary maritime routes between ports, used for trade, logistics and naval forces. It is generally used in reference to naval operations to ensure that SLOCs are open, or i ...
. In 2001, President
Kim Dae-jung Kim Dae-jung (; ; 6 January 192418 August 2009), was a South Korean politician and activist who served as the eighth president of South Korea from 1998 to 2003. He was a 2000 Nobel Peace Prize recipient for his work for democracy and human ...
revealed that the Navy will have a task force called "Strategic Task Fleet" (''Jeollyak-gidong-hamdae''), which will "protect national interests in the five oceans and contribute to world peace." As part of the plan, the ROK Navy established a task force called Maritime Task Flotilla Seven on February 1, 2010, which evolved from the ASW Squadron 51 of the Component Flotilla Five. It is led by a rear admiral (lower half), and headquartered at Jeju Naval Base in Jeju Island. The task force is responsible for the defense of South Korea against sea-borne threats and protection of its
sea lines of communication Sea lines of communication (abbreviated as SLOC) is a term describing the primary maritime routes between ports, used for trade, logistics and naval forces. It is generally used in reference to naval operations to ensure that SLOCs are open, or i ...
. The Maritime Task Flotilla Seven includes three surface squadrons: The Maritime Task Squadron 71 and 72 are composed of three ''Sejong the Great''-class
AEGIS The aegis ( ; grc, αἰγίς ''aigís''), as stated in the ''Iliad'', is a device carried by Athena and Zeus, variously interpreted as an animal skin or a shield and sometimes featuring the head of a Gorgon. There may be a connection with a d ...
guided-missile destroyers and six ''Chungmugong Yi Sunshin''-class destroyers; the Mobile Logistics Squadron 77 is composed of ''Soyang''-class and ''Cheonji''-class fast combat support ships. A ''Chungmugong Yi Sunshin''-class destroyer of the Maritime Task Flotilla Seven is being deployed as the Escort Task Group (''Cheonghae'') in response to
piracy Piracy is an act of robbery or criminal violence by ship or boat-borne attackers upon another ship or a coastal area, typically with the goal of stealing cargo and other valuable goods. Those who conduct acts of piracy are called pirates, v ...
in shipping lanes off the coast of
Somalia Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constituti ...
. As a humanitarian operation, ROKS ''Munmu the Great'' (DDH 976) of the task group was dispatched to evacuate South Koreans and foreign nationals from war-torn
Libya Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to the east, Suda ...
in 2014. The ROK Navy plans to upgrade the Maritime Task Flotilla Seven to a fleet with 18 destroyers.


Republic of Korea Marine Corps

The ROK Navy includes the
Republic of Korea Marine Corps The Republic of Korea Marine Corps (ROKMC; ko, 대한민국 해병대, Daehanminguk Haebyeongdae), also known as the ROK Marine Corps or ROK Marines, is the marine corps of South Korea. The ROKMC is a branch of the Republic of Korea Navy res ...
, which functions as a branch of the Navy. The ROK Marine Corps is responsible for conducting amphibious operations with the ROK Navy. The Marine Corps, with 29,000 personnel, is organized into two divisions and two brigades under the Headquarters ROK Marine Corps. The Commandant of the Republic of Korea Marine Corps is a three-star general. The ROK Marine Corps has about 300 tracked vehicles including assault amphibious vehicles,
main battle tank A main battle tank (MBT), also known as a battle tank or universal tank, is a tank that fills the role of armor-protected direct fire and maneuver in many modern armies. Cold War-era development of more powerful engines, better suspension sy ...
s, and
self-propelled artillery Self-propelled artillery (also called locomotive artillery) is artillery equipped with its own propulsion system to move toward its firing position. Within the terminology are the self-propelled gun, self-propelled howitzer, self-propelled m ...
.


Shore establishments

* Naval Education and Training Command Headquartered in Jinhae, the Naval Education and Training Command is one of the two major shore commands of the ROK Navy. The Command is responsible for training, education and professional development of the Navy's active duty Sailors. One of its primary roles is to conduct the initial orientation and basic training for new recruits of the Navy and the Korea Coast Guard. The Naval Reserve Officer Training Corps (NROTC) is under the Naval Education and Training Command. The Naval Education and Training Command is led by a vice admiral. * Naval Logistics Command The Naval Logistics Command is the other major shore command of the ROK Navy. It is located in Jinhae. The Command delivers logistics and support to the Navy, and is committed to the Navy's combat readiness. It includes the Naval Ship Yard, the Naval Supply Center, the Naval Ordnance Ammunition Center, and the Naval Technology Research Institute. The Naval Logistics Command is led by a rear admiral (upper half). * Republic of Korea Naval Academy The Republic of Korea Naval Academy is a four-year coeducational service academy located in Jinhae. It was established in 1946. Graduates are commissioned as Ensigns in the Navy or Second Lieutenants in the Marine Corps. The Naval Academy also hosts the Officer Candidate School (OCS), which provides training to become commissioned officers for civilian college graduates and candidates with military experience. The Superintendent of the ROK Naval Academy is a vice admiral.


U.S. naval units in South Korea

South Korea has a joint military partnership with the United States as outlined by the
Mutual Defense Treaty A defense pact (or defence pact in Commonwealth spelling) is a type of treaty or military alliance in which the signatories promise to support each other militarily and to defend each other.Volker Krause, J. David Singer "Minor Powers, Allianc ...
signed in October 1953. The ROK Navy has worked closely with the U.S. Navy to promote regional stability. Headquartered at Busan Naval Base, the Commander U.S. Naval Forces Korea (CNFK) is a shore command of the United States Navy that serves as the shore support agency for all U.S. naval activity in South Korea. The U.S. Naval Forces Korea was established in July 1957, with headquarters in Seoul. Originally established as the U.S. Naval Advisory Group Chinhae Detachment, the
Commander Fleet Activities Chinhae Commander Fleet Activities Chinhae ( ko, 진해 함대지원부대;
l
,
Busan Busan (), officially known as is South Korea's most populous city after Seoul, with a population of over 3.4 million inhabitants. Formerly romanized as Pusan, it is the economic, cultural and educational center of southeastern South Korea ...
, Donghae,
Pyeongtaek Pyeongtaek () is a city in Gyeonggi Province, South Korea. Located in the southwestern part of the province, Pyeongtaek was founded as a union of two districts in 940, during the Goryeo dynasty. It was elevated to city status in 1986 and is home ...
,
Mokpo Mokpo (; ''Mokpo-si'') is a city in South Jeolla Province, South Korea, located at the southwestern tip of the Korean Peninsula, close to Yudal mountain. Mokpo has frequent high-speed train services to Seoul, and is the terminus for a number of f ...
,
Incheon Incheon (; ; or Inch'ŏn; literally "kind river"), formerly Jemulpo or Chemulp'o (제물포) until the period after 1910, officially the Incheon Metropolitan City (인천광역시, 仁川廣域市), is a city located in northwestern South Kore ...
,
Pohang Pohang () is a city in the province of North Gyeongsang, South Korea, and a main seaport in the Daegu-Gyeongbuk region. The built-up area of Pohang is located on the alluvium of the mouth of the Hyeongsan River. The city is divided into two w ...
, Jeju Island, Baengnyeong Island. Naval air stations are in Pohang, Mokpo, and Jinhae. Situated in the southeastern coast of the
Korean Peninsula Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic ...
, Jinhae has been the major naval port in Korea since the
Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrend ...
built a
naval base A naval base, navy base, or military port is a military base, where warships and naval ships are docked when they have no mission at sea or need to restock. Ships may also undergo repairs. Some naval bases are temporary homes to aircraft that u ...
during the Japanese occupation period. After Korea was liberated from the Empire of Japan, the Korean Coast Guard (later the ROK Navy) was formed in Jinhae. Jinhae Naval Base is the principal homeport of the Republic of Korea Fleet, and hosts vital naval facilities including the Naval Shipyard. The Jinhae Naval Base Command is responsible for protecting the area. Located in South Korea's second most-populous city after Seoul, Busan Naval Base has become another major naval base for the ROK Fleet since its headquarters moved from Jinhae in 2007. The base can accommodate up to 30 naval ships as big as the
Nimitz-class aircraft carrier The ''Nimitz'' class is a class of ten nuclear-powered aircraft carriers in service with the United States Navy. The lead ship of the class is named after World War II United States Pacific Fleet commander Fleet Admiral Chester W. Nimitz ...
. Donghae, Pyeongtaek, and Mokpo hosts the headquarters of the First, Second and the Third Fleet respectively. Incheon hosts the Incheon Naval Sector Defense Command under a one-star admiral responsible for protecting littoral waters close to
Seoul Seoul (; ; ), officially known as the Seoul Special City, is the capital and largest metropolis of South Korea.Before 1972, Seoul was the ''de jure'' capital of the Democratic People's Republic of Korea (North Korea) as stated iArticle 103 ...
, the nation's capital. Pohang has a naval base for amphibious forces such as the 1st Marine Division ("Sea Dragon") located nearby.


Jeju Naval Base

In February 2016, the ROK Navy completed a new naval base on the southern coast of South Korea's largest island - Jeju, which lies in the
Korea Strait The Korea Strait is a sea passage in East Asia between Korea and Japan, connecting the East China Sea, the Yellow Sea and the Sea of Japan in the northwest Pacific Ocean. The strait is split by the Tsushima Island into the Western Channel and ...
. Jeju Naval Base was established to protect the
sea lines of communication Sea lines of communication (abbreviated as SLOC) is a term describing the primary maritime routes between ports, used for trade, logistics and naval forces. It is generally used in reference to naval operations to ensure that SLOCs are open, or i ...
and to strengthen the Navy's control over the seas around South Korea. It is home of the Maritime Task Flotilla Seven and the Submarine Squadron 93. The base is also known as Jeju Civilian-Military Complex Port because it was designed to be jointly used by military and civilians; there is a pier and terminal for cruise ships. The base can host up to 20 naval vessels and two 150,000-ton cruise ships at the same time. Jeju Naval Base was the venue for the international fleet review 2018 in October 2018.


Personnel

The ROK Navy has about 70,000 personnel, including the 29,000 members of the ROK Marine Corps. Military service is mandatory for all South Korean men. In the ROK Navy, all members are volunteers, with enlisted seamen serving for 20-month periods; commissioned officers, warrant officers, and petty officers serving longer terms than those of enlisted seamen, or as career. Women can volunteer as officers, warrant officers, or petty officers. In 2001, six female ensigns, who had become commissioned officers through the Officer Candidate School, were assigned to serve on surface ships of the ROK Navy, for the first time. * Commissioned officers There are several paths to becoming a commissioned officer in the ROK Navy, including the Naval Academy, Officer Candidate School (OCS), and Naval Reserve Officer Training Corps (NROTC). Officer Candidate School, located at the Naval Academy, Jinhae, provides training for candidates with current or prior enlisted experience in the military and civilian college graduates, which take majority in OCS. * Warrant officers The
warrant officer Warrant officer (WO) is a rank or category of ranks in the armed forces of many countries. Depending on the country, service, or historical context, warrant officers are sometimes classified as the most junior of the commissioned ranks, the most ...
rank in the
South Korean armed forces The Republic of Korea Armed Forces (), also known as the ROK Armed Forces, are the armed forces of South Korea. The ROK Armed Forces is one of the largest and most powerful standing armed forces in the world with a reported personnel strength o ...
falls in between that of non-commissioned and commissioned officers. In the ROK Navy, warrant officers are mostly former
non-commissioned officers A non-commissioned officer (NCO) is a military officer who has not pursued a commission. Non-commissioned officers usually earn their position of authority by promotion through the enlisted ranks. (Non-officers, which includes most or all enli ...
who had earned the rating of '' Sangsa'' (Chief petty officer) or '' Wonsa'' (Master chief petty officer) and who had been selected for and completed the warrant officer candidate program. Other routes include the naval aviation program and Air Intercept Controller (AIC) program; a small number of warrant officers serve as language officers who specialize in English translation and interpretation. Warrant officers mess in the
wardroom The wardroom is the mess cabin or compartment on a warship or other military ship for commissioned naval officers above the rank of midshipman. Although the term typically applies to officers in a navy, it is also applicable to marine officer ...
with commissioned officers. * Petty officers Petty officers originate from a petty officer candidate program, which trains military personnel and civilians who take majority - seamen experience is not required to become petty officers. In the ROK Navy, personnel with ranks of ''Hasa'' (Petty officer) through ''Wonsa'' are considered petty officers (i.e.
non-commissioned officers A non-commissioned officer (NCO) is a military officer who has not pursued a commission. Non-commissioned officers usually earn their position of authority by promotion through the enlisted ranks. (Non-officers, which includes most or all enli ...
). Those at ''Sangsa'' and ''Wonsa'' are further referred to as "CPO" (
chief petty officer A chief petty officer (CPO) is a senior non-commissioned officer in many navies and coast guards. Canada "Chief petty officer" refers to two ranks in the Royal Canadian Navy. A chief petty officer 2nd class (CPO2) (''premier maître de deuxi� ...
) collectively and considered a separate community within the Navy. "CPO"s have privileges such as separate dining and living areas. There are the appointments of ''Juim-wonsa'' and ''Juim-sangsa'' equivalent to that of the U.S. Navy's command master chief petty officer (CMDCM). The positions are filled by senior ''Wonsa'' and'' Sangsa'' respectively and unlike their U.S. Navy counterparts, the ROK Navy ''Juim-wonsa'' and ''Juim-sangsa'' wear the same standard rate insignia of ''Wonsa'' or ''Sangsa'' with an identification badg

* Seamen In the ROK Navy, seamen are referred to as "''Subyeong''" ( ko, 수병;
Hanja Hanja (Hangul: ; Hanja: , ), alternatively known as Hancha, are Chinese characters () used in the writing of Korean. Hanja was used as early as the Gojoseon period, the first ever Korean kingdom. (, ) refers to Sino-Korean vocabulary, whi ...
: 水兵). Normally the enlisted seamen serve in the Navy for 20 months; civilian recruits get initial trainings at the basic military training center in Jinhae as ''Ideungbyeong'' (Seaman 2nd class). After completing their military services as '' Byeongjang'' (Leading seaman), most of them are transferred from active duty to the naval reserve. Others continue the military service as ''Hasa'' (Petty officer) and may become career petty officers.


Uniforms

ROK Navy uniforms were influenced by US Navy uniforms with some notable differences. Petty officers, not just chief petty officers, wear uniforms identical to that of a commissioned officer's uniform except with different insignia, and petty officers wear a
combination cap The peaked cap, peaked hat, service cap, barracks cover or combination cap is a form of headgear worn by the armed forces of many nations, as well as many uniformed civilian organisations such as law enforcement agencies and fire departments. It ...
with a white cover and a gold chinstrap. Seamen wear dungaree trousers, chambray shirts and "dixie cup" hats as their work uniforms. Honor guards and musicians of the navy bands of seaman rates wear
sailor cap A sailor cap is a round, flat visorless hat worn by sailors in many of the world's navies. A tally, an inscribed black silk ribbon, is tied around the base which usually bears the name of a ship or a navy. Many navies (e.g. Germany) tie the tal ...
s bearing "Republic of Korea Navy" in
Hangul The Korean alphabet, known as Hangul, . Hangul may also be written as following South Korea's standard Romanization. ( ) in South Korea and Chosŏn'gŭl in North Korea, is the modern official writing system for the Korean language. The l ...
with the dress uniforms. A new shipboard working uniform similar to the NWU Type I has been issued since 2021.


Ranks and rates

In the ROK Navy, as in the rest of the ROK Armed Forces, ranks fall into one of four categories: commissioned officer, warrant officer, petty officer (non-commissioned officer), and seaman, in decreasing order of authority. Commissioned officer ranks are subdivided into flag officers, senior officers (lieutenant commander through captain), and junior officers (ensign through lieutenant). ROK Navy
commissioned officer An officer is a person who holds a position of authority as a member of an armed force or uniformed service. Broadly speaking, "officer" means a commissioned officer, a non-commissioned officer, or a warrant officer. However, absent context ...
ranks have two distinct sets of rank insignia: On
dress uniform Full dress uniform, also known as a ceremonial dress uniform or parade dress uniform, is the most formal wear, formal type of uniforms used by military, police, firefighter, fire and other public uniformed services for official parade (military) ...
a series of stripes similar to
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. Historically, it has been synonymous with " republic". The noun "commonwealth", meaning "public welfare, general good or advantage", dates from th ...
naval ranks are worn; on service uniforms, working uniforms, and special uniform situations (combat utilities and flight suits), the rank insignia are the same as the equivalent rank in the Army or the Air Force. The warrant officer rank insignia is denoted by a gold-colored ''Sowi'' insignia, and a single broken stripe. All three branches – the
Army An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...
, the Navy, and the
Air Force An air force – in the broadest sense – is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an ...
of the ROK Armed Forces share the same rank insignia and the same names of ranks in Korean. ;Commissioned officer ;Warrant officer ;Enlisted


International activities

The ROK Navy frequently participates in multinational exercises and international activities. Also it has engaged in several peacekeeping operations since the turn of the 21st century. * Cruise Training: Since 1954, the ROK Navy has conducted the annual ocean-going training with the fourth year midshipmen (naval cadets) of the Naval Academy to provide on the job training before commissioning them and to foster relations with other navies around the world. In 1992, the ROK Navy ships - ROKS ''Chungnam'' (FF 953) and ROKS ''Masan'' (FF 955) of the Cruise Training Unit circumnavigated the world for the first time. * Navy to Navy Talks: The ROK Navy holds regular naval conferences with its counterparts of
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwee ...
,
India India, officially the Republic of India ( Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the ...
,
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
,
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
,
Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federal constitutional monarchy consists of thirteen states and three federal territories, separated by the South China Sea into two regions: Peninsular Malaysia and Borneo's East Malay ...
,
Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, bo ...
,
Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...
,
Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula in ...
, the United Kingdom, and United States. * Pacific Reach: The ROK Navy has participated in the biannual submarine rescue exercise since 2000. In 2004, the ROK Navy hosted the exercise, which was the first multinational naval exercise the ROK Navy ever hosted. *
RIMPAC RIMPAC, the Rim of the Pacific Exercise, is the world's largest international maritime warfare exercise. RIMPAC is held biennially during June and July of even-numbered years from Honolulu, Hawaii, with the exception of 2020 where it was held i ...
: The ROK Naval forces have participated in the biannual multilateral naval exercise since 1990. * ROKN-JMSDF SAREX: The ROK Navy and Japan Maritime Self Defense Force (JMSDF) conducted the search and rescue exercise biannually since 1999. * WP MCMEX/DIVEX: The mine warfare forces of the ROK Navy have participated in the Western Pacific Mine Counter Measure Exercise/Diving Exercise since 2004. * Cobra Gold: Together with the ROK Marines, the ROK Navy has participated in Cobra Gold since 2010. * ROK-US combined amphibious landing exercise: The ROK Navy and ROKMC together with the U.S. Navy and U.S. Marine Corps conduct the exercise annually in Korea.


Counter-piracy operations

Since March 2009, the ROK Navy has deployed the Escort Task Group (''Cheonghae'') in response to
piracy Piracy is an act of robbery or criminal violence by ship or boat-borne attackers upon another ship or a coastal area, typically with the goal of stealing cargo and other valuable goods. Those who conduct acts of piracy are called pirates, v ...
in shipping lanes off the coast of
Somalia Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constituti ...
. The task group is composed of a ''Chungmugong Yi Sunshin''-class destroyer and about 30 naval special warfare personnel. The group operates as part of the multinational task force,
Combined Task Force 151 Combined Task Force 151 (CTF-151) is a multinational naval task force, set up in 2009 as a response to piracy attacks in the Gulf of Aden and off the eastern coast of Somalia. Its mission is to disrupt piracy and armed robbery at sea and to enga ...
of Combined Maritime Forces (CMF). ROKS ''Munmu the Great'' was the first ship to be deployed as part of the unit to Somali waters. On January 21, 2011, South Korean naval commandos of the task group carried out Operation Dawn of Gulf of Aden, an operation to rescue the crew of the hijacked MV ''Samho Jewelry'' and succeed in rescuing the crew and killing or capturing all of the pirates on board. As of March 2019, about 8,500 sailors were deployed to the
Gulf of Aden The Gulf of Aden ( ar, خليج عدن, so, Gacanka Cadmeed 𐒅𐒖𐒐𐒕𐒌 𐒋𐒖𐒆𐒗𐒒) is a deepwater gulf of the Indian Ocean between Yemen to the north, the Arabian Sea to the east, Djibouti to the west, and the Guardafui Chann ...
in 28 Escort Task Groups, which had escorted about 22,000 ships since the first deployment.


International fleet review

In October 1998, the ROK Navy hosted its first international fleet review in commemoration of the 50th anniversary of the Republic of Korea and its armed forces off coast of Busan and Jinhae. 21 ships from 11 countries (Australia,
Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...
, France,
India India, officially the Republic of India ( Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the ...
, Indonesia, Japan, New Zealand,
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
,
Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, bo ...
, United Kingdom, United States) participated in the fleet review as well as 34 ships and 15 aircraft from South Korea. The ROK Navy hosted its second international fleet review off coast of Busan in October 2008 to celebrate the 60th anniversary of the South Korean government. 22 ships from 11 countries (Australia, Canada, China, India, Indonesia, Japan, Russia, Singapore, Thailand, United Kingdom, United States) participated in the fleet review as well as 33 ships and 27 aircraft from South Korea. The Cruise Training Unit – ROKS ''Kwaggaeto the Great'' (DDH 971), ROKS ''Jeju'' (FF 958) and ROKS ''Cheonji'' (AOE 57) participated in International Fleet Review 2002 commemorating the 50th anniversary of JMSDF in
Tokyo Bay is a bay located in the southern Kantō region of Japan, and spans the coasts of Tokyo, Kanagawa Prefecture, and Chiba Prefecture. Tokyo Bay is connected to the Pacific Ocean by the Uraga Channel. The Tokyo Bay region is both the most populous ...
. The Cruise Training Fleet – ROKS ''Chungmugong Yi Sunshin'' (DDH 975) and ROKS ''Cheonji'' (AOE 57) - visited the United Kingdom in order to take part in the International Fleet Review for
Trafalgar 200 The Battle of Trafalgar (21 October 1805) was a naval engagement between the British Royal Navy and the combined fleets of the French and Spanish Navies during the War of the Third Coalition (August–December 1805) of the Napoleonic Wars (1 ...
in 2005. In April 2009, ROKS ''Dokdo'' (LPH 6111) and ROKS ''Kang Gamchan'' (DDH 979) attended an international fleet review to celebrate the 60th anniversary of the founding of the Chinese People's Liberation Army (PLA) Navy in
Qingdao Qingdao (, also spelled Tsingtao; , Mandarin: ) is a major city in eastern Shandong Province. The city's name in Chinese characters literally means "azure island". Located on China's Yellow Sea coast, it is a major nodal city of the One Belt ...
. In August 2009, the Cruise Training Flotilla – ROKS ''Choi Young'' (DDH 981) and ROKS ''Daecheong'' (AOE 58) participated in the Indonesian International Fleet Review, which commemorates the 64th anniversary of Indonesian independence. The ROK Navy hosted its third international fleet review off coast of Jeju Island in October 2018. 15 ships from 9 countries (Australia,
Brunei Brunei ( , ), formally Brunei Darussalam ( ms, Negara Brunei Darussalam, Jawi: , ), is a country located on the north coast of the island of Borneo in Southeast Asia. Apart from its South China Sea coast, it is completely surrounded by th ...
, Canada, India, Russia, Singapore, Thailand, United States,
Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making it ...
) participated in the pass-in-review as well as 24 ships and 24 aircraft from South Korea. In April 2019, ROKS ''Gyeonggi'' (FFG 812) attended an international fleet review to celebrate the 70th anniversary of the PLA Navy in Qingdao.


Equipment

There are about 160 commissioned ships with the ROK Navy (a total displacement of about 350,000 tonnes). The naval aviation force consists of about 70 fixed-wing and
rotary-wing aircraft A rotorcraft or rotary-wing aircraft is a heavier-than-air aircraft with rotary wings or rotor blades, which generate lift by rotating around a vertical mast. Several rotor blades mounted on a single mast are referred to as a rotor. The Internat ...
.


Ships

The vessels are categorized into four levels. A first-rate ship (''Sohn Wonyil''–class SS, DDG, DDH, LPH, MLS, and AOE) is commanded by a captain; a second-rate ship (SS, FFG, FF, PCC, LST, ATS, and ASR) by a commander; a third-rate ship (PKG, MSH, and MHC) by a lieutenant commander; and a fourth-rate craft (PKMR, PKM, and LSF) is commanded by a lieutenant or a warrant officer. The ROK Navy employs the U.S. Navy–style letter based
hull classification symbols The United States Navy, United States Coast Guard, and United States National Oceanic and Atmospheric Administration (NOAA) use a hull classification symbol (sometimes called hull code or hull number) to identify their ships by type and by ...
to designate the types of its ships and
hull number Hull number is a serial identification number given to a boat or ship. For the military, a lower number implies an older vessel. For civilian use, the HIN is used to trace the boat's history. The precise usage varies by country and type. United ...
s to uniquely identify its vessels (e.g. DDH 975). The names are that of the historical figures, Navy heroes, provinces, cities, counties, peaks, lakes, islands, and birds. The Chief of Naval Operations selects the names of ships. The
ship prefix A ship prefix is a combination of letters, usually abbreviations, used in front of the name of a civilian or naval ship that has historically served numerous purposes, such as identifying the vessel's mode of propulsion, purpose, or ownership/n ...
for all the commissioned ROK Navy ship is ROKS (Republic of Korea Ship) when the names of ships are written in English.


Aircraft

The Air Wing Six operates about 70 fixed-wing and
rotary-wing aircraft A rotorcraft or rotary-wing aircraft is a heavier-than-air aircraft with rotary wings or rotor blades, which generate lift by rotating around a vertical mast. Several rotor blades mounted on a single mast are referred to as a rotor. The Internat ...
including P-3CK Orion maritime patrol aircraft and AW159 Wildcat ASW helicopters. These aircraft operate from bases throughout South Korea, as well as from the ROK Navy's ships. The ROK Navy had operated about 30 S-2
anti-submarine warfare Anti-submarine warfare (ASW, or in older form A/S) is a branch of underwater warfare that uses surface warships, aircraft, submarines, or other platforms, to find, track, and deter, damage, or destroy enemy submarines. Such operations are typ ...
aircraft from 1976 to 2001. From 1977 to 1979, the Navy had acquired 12
Aérospatiale Alouette III The Aérospatiale Alouette III (, ''Lark''; company designations SA 316 and SA 319) is a single-engine, light utility helicopter developed by French aircraft company Sud Aviation. During its production life, it proved to be a relatively popular ...
helicopters for shipboard helicopter operations with ex-USN ''Gearing''-class destroyers. The ROK Navy had acquired eight P-3C aircraft by 1996, and eight more P-3CK maritime patrol aircraft (ex-USN P-3B) were delivered to the ROK Navy by 2010 after undergoing extensive refurbishment and modernization. The Navy took delivery of the first batch of 12 Mk.99 Lynx helicopters in 1991; a second batch of 13 Mk.99A Super Lynx helicopters began delivery in 1999. In 2016, the Navy took delivery of eight AW159 Wildcats helicopters.


Weaponry

The ROK Navy, the
Defense Acquisition Program Administration The Defense Acquisition Program Administration (DAPA) was founded on January 1, 2006 as part of a comprehensive reform of the defense acquisition project, including the introduction and development of weapons, and is a central administrative agenc ...
(DAPA), and the
Agency for Defense Development The Agency for Defense Development (ADD) is the South Korean national agency for research and development in defense technology, funded by the Defense Acquisition Program Administration (DAPA). It was established in August 1970 under the banner ...
(ADD) have been developing naval weaponry with local defense companies.


Future acquisitions


Ships

* Korean Submarine (KSS) The KSS program was a three-phased program to build up the ROK Navy's
submarine A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely o ...
forces. Before the KSS program, the submarine fleet of the ROK Navy consisted of ''Dolgorae''-class
midget submarines A midget submarine (also called a mini submarine) is any submarine under 150 tons, typically operated by a crew of one or two but sometimes up to six or nine, with little or no on-board living accommodation. They normally work with mother ships, ...
, which had limited capabilities for inshore operations. Through the first phase, KSS-I, the ROK Navy acquired nine 1,200-ton . For the second phase, KSS-II, the ROK Navy planned to acquire nine 1,800-ton ''Sohn Wonyil''-class submarines with Air-Independent propulsion (AIP) system;"방사청, 英 구조잠수정 1척 도입키로"
. Republic of Korea Navy i-News. Retrieved March 11, 2007.
the lead boat of her class, ROKS ''Sohn Wonyil'' (SS 072) was launched at a shipyard of Hyundai Heavy Industries on June 9, 2006. The Type 214 submarine is expected to play a key role in safeguarding the country's maritime interests. For the third phase of the program, the lead boat of KSS-III, the ''Dosan Ahn Changho'' (SS 083) was launched in 2018. A total of nine 3,000-ton KSS-III submarines are expected to be built in South Korea with indigenous technologies (i.e. not going under license as the previous KSS-I and KSS-II submarines). The KSS-III submarines will be able to fire submarine launched ballistic missiles (SLBMs): Prompted by North Korea's development of the
KN-11 The Pukguksong-1 or Pukkŭksŏng-1, Bukgeukseong-1 (Hangul: 북극성1호, Hanja: 北極星1号, literally Polaris-1), alternatively KN-11 in intelligence communities outside North Korea, is a North Korean, two-stage submarine-launched ballis ...
SLBM, a vertical launching pad will be installed on the submarines for a missile expected to be developed by 2020. KSS-III submarines will have six vertical missile launch tubes that could house Hyunmoo-2B
short-range ballistic missile A short-range ballistic missile (SRBM) is a ballistic missile with a range of about or less. In past and potential regional conflicts, these missiles have been and would be used because of the short distances between some countries and their rela ...
with a range of . South Korea has long sought the acquisition of nuclear-powered submarines, and the 2021
AUKUS AUKUS (, ) is a trilateral security pact between Australia, the United Kingdom, and the United States, announced on 15 September 2021 for the Indo-Pacific region. Under the pact, the US and the UK will help Australia to acquire nuclear-powe ...
announcement to supply them to Australia has renewed this desire. * Aircraft Carrier Experimental (CVX) The ROK Navy initially planned to build an amphibious assault ships capable of operating the
F-35B The Lockheed Martin F-35 Lightning II is an American family of single-seat, single-engine, all-weather stealth multirole combat aircraft that is intended to perform both air superiority and strike missions. It is also able to provide elect ...
as the LPX-II program. In August 2020, the Ministry of National Defense formally announced its intent to begin construction of a 30,000-ton light aircraft carrier, and it was authorized as the CVX program in February 2021. The ROK Navy plans to acquire an aircraft carrier by 2033. * Korea Destroyer Experimental (KDX) The KDX program was a three-phased program to modernize the surface fleet by developing and constructing new
destroyer In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally developed in ...
s for the ROK Navy with advanced combat systems and weaponry. The outcomes of this program include the ''Kwanggaeto the Great''-class destroyers, which are the first ROK destroyers to be armed with
surface-to-air missile A surface-to-air missile (SAM), also known as a ground-to-air missile (GTAM) or surface-to-air guided weapon (SAGW), is a missile designed to be launched from the ground to destroy aircraft or other missiles. It is one type of anti-aircraft syst ...
s; the ''Chungmugong Yi Sunshin''-class destroyers; and the powerful , which are equipped with the sophisticated
AEGIS combat system The Aegis Combat System is an American integrated naval weapons system developed by the Missile and Surface Radar Division of RCA, and it is now produced by Lockheed Martin. Initially used by the United States Navy, Aegis is now used also by ...
for air-defense and anti-missile operations. These new destroyers replaced antiquated destroyers that had been transferred from the U.S. Navy decades ago. As follow up programs, the ROK Navy plans to build three additional AEGIS destroyers (KDX-III Batch-II) by 2028, and six 8,000-ton destroyers (
KDDX KDDX (101.1 FM, "X Rock") is a radio station licensed to serve Spearfish, South Dakota. The station is owned by Riverfront Broadcasting, LLC. It airs an active rock music format. this station also serves the Rapid City, and Gillette areas The ...
) by 2030 as successors of the ''Chungmugong Yi Sunshin''-class destroyers. * Frigate Experimental (FFX) The FFX program aims to replace the ''Ulsan''-class frigates and ''Donghae''/''Pohang''-class corvettes with new frigates. The total number of the ships to be built is 26 (FFX batch-I batch-II batch-III batch-IV). These frigates will be armed with the American-made Phalanx CIWS system and the rolling airframe missile system, and they will each carry an
anti-submarine warfare Anti-submarine warfare (ASW, or in older form A/S) is a branch of underwater warfare that uses surface warships, aircraft, submarines, or other platforms, to find, track, and deter, damage, or destroy enemy submarines. Such operations are typ ...
helicopter. Six s (FFX Batch-I) were commissioned by 2016. The lead ship (FFG 818) of the ''Daegu''-class frigates (FFX Batch-II) was commissioned in 2018. As follow-up, six FFX Batch-III frigates are planned, and the lead ship is to be delivered in 2024. * Patrol Killer Experimental (PKX) Through the PKX program, the ROK Navy plans to build a fleet of a next generation
patrol craft A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and th ...
with Cooperative Engagement Capability and enhanced weaponry such as 76 mm guns and the KSSM anti-ship missiles. There are two variations: PKX-A and PKX-B. The PKX-A is a 570-ton patrol craft with anti-ship missiles; PKX-B is a 200-ton patrol craft. 18 PKX-As and 34 PKX-Bs are planned. On 28 June 2007, the lead ship of PKX-A, PKG 711 named, ROKS ''Yoon Youngha'', captain of PKM 357 at the Second Battle of Yeonpyeong was launched at the shipyard of
Hanjin Heavy Industries HJ Shipbuilding & Construction Company, Ltd. ( Korean: 주식회사 HJ중공업, Hanja: 株式會社HJ重工業), formerly Korea Shipbuilding & Engineering Corporation ( Korean: 대한조선공사, Hanja: 大韓造船公社) and Hanjin Heavy I ...
in
Busan Busan (), officially known as is South Korea's most populous city after Seoul, with a population of over 3.4 million inhabitants. Formerly romanized as Pusan, it is the economic, cultural and educational center of southeastern South Korea ...
. All 18 PKGs were commissioned by 2018 to replace the aging ''Chamsuri''-class patrol craft. The lead ship of PKX-B, ROKS ''Chamsuri 211'' (PKMR 211), was commissioned in 2017. * Landing Transport Experimental (LPX) The LPX program was the ROK Navy's new
amphibious warfare ship An amphibious warfare ship (or amphib) is an amphibious vehicle warship employed to land and support ground forces, such as marines, on enemy territory during an amphibious assault. Specialized shipping can be divided into two types, most cru ...
program for which Hanjin Heavy Industries has provided the general design package. The ROK Navy's requirements for the new amphibious warfare ships were to enhance Korea's current amphibious operation capability, both in terms of assault and
military operations other than war Military operations other than war (MOOTW) focus on deterring war, resolving conflict, promoting peace, and supporting civil authorities in response to domestic crises. The phrase and acronym were coined by the United States military during the ...
(MOOTW) type operations. On 12 July 2005, the lead ship (LPH 6111) of the 14,500-ton ''Dokdo''-class
amphibious transport dock An amphibious transport dock, also called a landing platform dock (LPD), is an amphibious warfare ship, a warship that embarks, transports, and lands elements of a landing force for expeditionary warfare missions. Several navies currently opera ...
was launched at the shipyard of Hanjin Heavy Industries in
Busan Busan (), officially known as is South Korea's most populous city after Seoul, with a population of over 3.4 million inhabitants. Formerly romanized as Pusan, it is the economic, cultural and educational center of southeastern South Korea ...
. The first air-cushion landing craft of LSF-II (ROKS ''Solgae 631'') was delivered for ROKS ''Dokdo'' in April 2007. In October 2009, the ROK Navy revealed a plan to commission another LPX around 2018. The ''Marado'' (LPH 6112) was launched in May 2018. * MSH phase II The ROKN plans to build and commission three more ''Yangyang'' class mine warfare ships. The lead ship, ''Namhae'' was launched in April 2020. * ASR-II The ROK Navy plans to commission a new submarine rescue ship around 2022. Daewoo S&ME (DSME) will build the ship, and UK-based underwater systems developer JFD will deliver a
deep-submergence rescue vehicle A deep-submergence rescue vehicle (DSRV) is a type of deep-submergence vehicle used for rescue of downed submarines and clandestine missions. While DSRV is the term most often used by the United States Navy, other nations have different designa ...
(DSRV) for the ROK Navy in 2021.


Aircraft

* Maritime Patrol Aircraft-II The ROK Navy had acquired eight P-3C aircraft by 1996 through the Maritime Patrol Aircraft-I phase I. Through the phase II, eight more P-3CK maritime patrol aircraft, modified from retired
USN The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
P-3B had been delivered to the ROK Navy by 2010 after undergoing extensive refurbishment and modernization. In May 2013, it was announced that the
Defense Acquisition Program Administration The Defense Acquisition Program Administration (DAPA) was founded on January 1, 2006 as part of a comprehensive reform of the defense acquisition project, including the introduction and development of weapons, and is a central administrative agenc ...
(DAPA) was commencing a procurement program to acquire up to 20 new anti-submarine warfare aircraft to replace the existing fleet of 16 P-3Cs. While possible candidates include the C-295 MPA, P-8 Poseidon and the SC-130J Sea Hercules, DAPA was considering a plan to procure 12 to 20 ex-USN
S-3 Viking The Lockheed S-3 Viking is a four-crew, twin-engine turbofan-powered jet aircraft designed and produced by the American aerospace manufacturer Lockheed Corporation. Because of its characteristic sound, it was nicknamed the "War Hoover" after t ...
s for the ROKN. In 2017, the ROK Navy canceled plans to purchase refurbished and upgraded S-3 Viking aircraft. In March 2019, the South Korean government ordered six P-8A aircraft from
Boeing The Boeing Company () is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, telecommunications equipment, and missiles worldwide. The company also provides leasing and pr ...
. * Maritime Helicopter-II Through Maritime Helicopter-I, the ROK Navy took delivery of the first batch of 12 Mk.99 Lynx helicopters in 1991; a second batch of 13 Mk.99A Super Lynx helicopters began delivery in 1999. The first Lynx batch was later upgraded to the same standard as the second batch; the changes included the adoption of a new radar, FLIR, and ESM systems. On 15 January 2013, the Defense Acquisition Program Administration announced the selection of the AW159 Wildcat to fulfill a requirement of the ROK Navy for a maritime helicopter, winning out against the
MH-60R Seahawk The Sikorsky SH-60/MH-60 Seahawk (or Sea Hawk) is a twin turboshaft engine, multi-mission United States Navy helicopter based on the United States Army UH-60 Black Hawk and a member of the Sikorsky S-70 family. The most significant modificatio ...
. The batch of eight aircraft were chosen to perform search-and-rescue missions, anti-submarine warfare and surveillance. On 13 June 2016, the Navy took delivery of four Wildcats. The helicopters operate from the Navy's ''Incheon''-class guided missile/coastal defense frigates. The remaining four were delivered in late November 2016. In December 2020, the South Korean government ordered 12 MH-60 Seahawk helicopters to further strengthen the Navy's anti-submarine capabilities. * Mine Countermeasure Helicopter The ROK Navy had planned to acquire new mine countermeasure helicopters by 2012 with a budget of 480 billion won. AgustaWestland EH-101, NHIndustries NH-90, and Sikorsky MH-60S were considered as possible candidates for the acquisition program before it decided to hold the program due to the global financial crisis that hit the world in 2008. * Basic Trainig Helicopter On 17 May 2022,
Defense Acquisition Program Administration The Defense Acquisition Program Administration (DAPA) was founded on January 1, 2006 as part of a comprehensive reform of the defense acquisition project, including the introduction and development of weapons, and is a central administrative agenc ...
orders 40 Bell 505 helicopters cost of 170 billion won (133.75 million USD). It will be used as basic training, delivery will start from 2025. These helicopters will used by both ROK Navy and ROK Army.


See also

* Chief of Naval Operations (South Korea) *
North Korean Navy The Korean People's Army Naval Force (KPANF; Korean: 조선인민군 해군; Hanja: 朝鮮人民軍 海軍; ''Chosŏn-inmingun Haegun''; ) or the Korean People's Navy (KPN), is the naval service branch of the Korean People's Army, which contain ...
* Korea Coast Guard


Explanatory notes

Romanization is according to
Revised Romanization of Korean Revised Romanization of Korean () is the official Korean language romanization system in South Korea. It was developed by the National Academy of the Korean Language from 1995 and was released to the public on 7 July 2000 by South Korea's Min ...
(adopted in 2000), with exceptions of personal names. Names of ships commissioned before 2000 might have been romanized according to
McCune–Reischauer McCune–Reischauer romanization () is one of the two most widely used Korean language romanization systems. A modified version of McCune–Reischauer was the official romanization system in South Korea until 2002, when it was replaced by the Re ...
. Examples of changes ( M-RRR): Chinhae →
Jinhae Jinhae-gu (Hangul: 진해구, Hanja: 鎭海區) is a district in Changwon City, South Korea. This region is served by the Korean National Railroad, and is famous for its annual cherry blossom festival every spring. The city front is on a shelte ...
; Inchon →
Incheon Incheon (; ; or Inch'ŏn; literally "kind river"), formerly Jemulpo or Chemulp'o (제물포) until the period after 1910, officially the Incheon Metropolitan City (인천광역시, 仁川廣域市), is a city located in northwestern South Kore ...
; Kangnung →
Gangneung Gangneung () is a municipal city in the province of Gangwon-do, on the east coast of South Korea. It has a population of 213,658 (as of 2017).Gangneung City (2003)Population & Households. Retrieved January 14, 2006. Gangneung is the economic ...
; Kimpo →
Gimpo Gimpo () is a city in Gyeonggi Province, South Korea. It borders Incheon, with which it shares the South Korean side of the Han River estuary, as well as Seoul and the lesser cities of Paju and Goyang. North Korea is across the Han River. T ...
; Pusan →
Busan Busan (), officially known as is South Korea's most populous city after Seoul, with a population of over 3.4 million inhabitants. Formerly romanized as Pusan, it is the economic, cultural and educational center of southeastern South Korea ...
; Taegu →
Daegu Daegu (, , literally 'large hill', 대구광역시), formerly spelled Taegu and officially known as the Daegu Metropolitan City, is a city in South Korea. It is the third-largest urban agglomeration in South Korea after Seoul and Busan; it is ...
.


References


Further reading

*


External links


Republic of Korea Navy official website (Korean)(English)


GlobalSecurity.org
ROK Navy
NavalToday.com


Video clips

* {{Authority control Military of South Korea