United States–South Korea security alliance

E17985

bilateral security alliance defense partnership military alliance

The United States–South Korea security alliance is a longstanding military partnership that underpins South Korea’s defense and regional stability through U.S. security guarantees, joint forces, and coordinated deterrence against North Korean threats.

Aliases (8)

Statements (49)

Predicate	Object
instanceOf	bilateral security alliance → defense partnership → military alliance →
approximateTroopLevel	around 28000 U.S. troops in South Korea →
foundedAfter	Korean War →
geographicFocus	Korean Peninsula → Northeast Asia →
hasComponent	Combined Forces Command → Special Measures Agreements on cost sharing → Status of Forces Agreement between the United States and South Korea → U.S. troop presence in South Korea → United Nations Command (Korea) → combined command structure → combined defense posture on the Korean Peninsula → defense technology cooperation → extended deterrence arrangements → intelligence sharing → joint military exercises → missile defense cooperation → nuclear deterrence commitments by the United States →
hasParticipant	Republic of Korea → South Korea → United States →
includesTroopDeployment	United States Forces Korea →
keyBaseLocation	Camp Humphreys → Kunsan Air Base → Osan Air Base →
keyExercise	Foal Eagle → Freedom Shield → Key Resolve → Ulchi Freedom Guardian →
legalBasis	Mutual Defense Treaty between the United States and the Republic of Korea →
policyInstrument	U.S. extended nuclear deterrence to South Korea → missile defense deployments such as THAAD in South Korea →
primaryAdversary	Democratic People’s Republic of Korea → North Korea →
purpose	defense of South Korea → deterrence of North Korean aggression → maintenance of regional stability in East Asia → upholding U.S. security guarantees to South Korea →
region	Indo-Pacific →
relatedOrganization	North Atlantic Treaty Organization → United Nations Command →
securityGuaranteeProvider	United States →
securityGuaranteeRecipient	South Korea →
startTime	1953-10-01 →
status	active →
supports	non-proliferation of nuclear weapons on the Korean Peninsula → peace and stability in the Indo-Pacific region →

Referenced by (20)

Subject (surface form when different)	Predicate
Fifth Air Force ("United States–Republic of Korea alliance") → Republic of Korea Army ("United States–South Korea alliance") → Republic of Korea Marine Corps ("United States–Republic of Korea alliance") → South Korea ("United States–South Korea alliance") → South Korean Navy ("United States–South Korea alliance") → United States 2nd Infantry Division ("United States–Republic of Korea alliance") →	alliance
James A. Van Fleet Award ("United States–South Korea relations") → Special Measures Agreements on cost sharing ("U.S.–South Korea alliance") → United States–Japan security alliance ("U.S.–South Korea alliance") →	relatedTo
Key Resolve ("United States–South Korea alliance") → Ulchi Freedom Guardian ("United States–South Korea alliance") →	allianceContext
United States Forces Korea ("U.S.–Republic of Korea Mutual Defense Treaty") → United States–South Korea security alliance ("Mutual Defense Treaty between the United States and the Republic of Korea") →	legalBasis
Camp Humphreys ("U.S.–ROK alliance") → United States Forces Korea ("U.S.–South Korea alliance") →	supports
Combined Forces Command ("United States–South Korea alliance") →	allianceFramework
United States Armed Forces →	allianceMemberOf
Special Measures Agreements on cost sharing ("Mutual Defense Treaty between the United States and the Republic of Korea") →	basedOn
United States Indo-Pacific strategy ("U.S.-ROK alliance") →	includesMechanism
Indo-Pacific region ("United States–Republic of Korea alliance") →	isCentralTo