South Korean Army
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| South Korean Army | |
|---|---|
 This vector image includes elements that have been taken or adapted from this fi · Public domain · source | |
| Name | Army of the Republic of Korea |
| Native name | 대한민국 육군 |
| Founded | 1948 |
| Country | South Korea |
| Allegiance | President of South Korea |
| Branch | Republic of Korea Armed Forces |
| Type | Army |
| Role | Land warfare |
| Size | ~420,000 (active + reserves) |
| Garrison | Ministry of National Defense (South Korea) headquarters, Seoul |
| March | "The Song of the Soldier" |
South Korean Army The South Korean Army traces its origins to the post-World War II reorganization of Korean forces and the establishment of the Republic of Korea in 1948. It fought major engagements during the Korean War and evolved through Cold War crises such as the Blue House Raid and the DMZ axe murder incident into a modern force equipped to deter threats from the Democratic People’s Republic of Korea and to participate in multinational operations with partners like the United States and the United Nations. The Army maintains combined-arms formations, strategic deployments along the Korean Demilitarized Zone, and active participation in regional security frameworks including relationships with Japan, Australia, and NATO partners.
History
The Army began with units formed from the Korean Peninsula's post-liberation militias and the United States Army Military Government in Korea's restructuring, leading to the creation of the Republic of Korea Army in 1948. It was the principal ground force in the Korean War (1950–1953), engaging in battles such as Battle of Pusan Perimeter, Inchon Landing, and the Battle of Chosin Reservoir alongside units of the United Nations Command, including the United States Army, British Army, Turkish Brigade, and Australian Army. Post-armistice, the Army faced incidents like the Blue House Raid and the Axe Murder Incident, and adapted during the Vietnam War where the Republic of Korea Armed Forces contributed corps-sized contingents. The Army modernized through programs influenced by the Yulgok Plan and later defense reforms under presidents such as Park Chung-hee and Kim Dae-jung, transitioning equipment from surplus M48 Patton and M1 Abrams imports to indigenously produced systems like the K2 Black Panther and the K9 Thunder. In recent decades, operations have included peacekeeping with United Nations Command linkages, humanitarian missions after the 2004 Indian Ocean earthquake and tsunami, and readiness missions during crises like the Bombardment of Yeonpyeong and tensions following the Cheonan sinking.
Organization and Structure
The Army is subordinate to the Ministry of National Defense (South Korea) and the Joint Chiefs of Staff (South Korea), with a hierarchical structure of corps, divisions, brigades, and battalions. Principal commands include the Ground Operations Command, the Capital Defense Command, the Second Operational Command, and the Special Warfare Command. Divisions such as the 2nd Infantry Division (South Korea), 3rd Infantry Division (South Korea), and armored formations equipped with K1 88-Tank and K2 Black Panther systems form maneuver elements. Support branches include the Army Aviation Command, Signal Command, Engineer Brigade, Logistics Command, and Military Police (South Korea). Units maintain liaison with allied elements such as United States Forces Korea, Combined Forces Command, and multinational centers like the Korea Institute for Defense Analyses.
Roles and Missions
Primary missions include deterrence against incursions from the Democratic People’s Republic of Korea, defense of the Republic of Korea territory, rapid reinforcement of the Korean Demilitarized Zone, and protection of strategic points including Seoul and critical infrastructure like the Incheon International Airport. The Army also conducts counter-infiltration, counter-artillery, and anti-armor operations, and provides humanitarian assistance during natural disasters such as typhoons impacting Busan and Jeju Island. It contributes to international security through deployments to Afghanistan, Iraq, and Lebanon under United Nations and bilateral mandates, often integrating with forces from the United States, United Kingdom, Turkey, Canada, and Australia.
Equipment and Armaments
Modernization programs produced indigenous systems: main battle tanks such as the K2 Black Panther, self-propelled artillery like the K9 Thunder, and infantry fighting vehicles like the K21 IFV. Small arms include domestically produced variants such as the Daewoo K2 and pistols like the Daewoo K5. Air defense employs systems like the KM-SAM (Cheolmae-II) and imported assets including the Patriot (missile). Rotary-wing and unmanned capabilities include the Surion (KUH-1) helicopter and various UAV platforms. Logistics and mobility use vehicles such as the K200 KIFV and heavy equipment transporters. Legacy systems phased out include the M48 Patton series and earlier M4 Sherman relics, while procurement links involve manufacturers like Hyundai Rotem, Hanwha Defense, LIG Nex1, and Korea Aerospace Industries.
Training and Personnel
Recruitment is influenced by Conscription in South Korea, with mandatory service obligations shaping personnel levels and reserve structures like the National Defense Reserve Forces. Training occurs at facilities such as the Lone Pine Training Area analogs and institutional centers like the Army War College (ROK), Officer Candidate School (South Korea), and NCO academies. Exercises emphasize combined-arms tactics, urban warfare, and interoperability with allies during drills such as Key Resolve, Foal Eagle, Ulchi-Freedom Guardian, and bilateral Combined Joint Live Fire Exercise events. Leadership development references figures like General Paik Sun-yup and institutional doctrine updated through the Defense Reform 2.0 initiative.
Bases and Deployments
Major garrisons are concentrated near the Demilitarized Zone in regions including Inje County, Goseong County, and the 2nd Division area, with strategic installations in Seongnam and around Osan Air Base to enable joint operations with United States Forces Korea. Overseas commitments have seen deployments to Afghanistan, Iraq, and Lebanon under UN or bilateral arrangements. Reserve mobilization centers and training grounds are distributed across provinces such as Gyeonggi Province, Gangwon Province, and North Gyeongsang Province to facilitate rapid reinforcement.
International Cooperation and Exercises
The Army maintains close ties with United States Forces Korea, participating in combined command structures like the Combined Forces Command (South Korea–US), bilateral exercises such as Key Resolve and Foal Eagle, and trilateral or multilateral engagements with Japan Self-Defense Forces, Australian Defence Force, NATO Response Force contributors, and regional partners including India and Singapore. It contributes to United Nations peacekeeping missions and interoperability programs with organizations like the International Committee of the Red Cross during humanitarian missions. Defense diplomacy includes participation in multinational exercises such as RIMPAC, port visits with navies including US Navy and Japan Maritime Self-Defense Force, and joint training with armies such as the British Army and Turkish Land Forces.