United States–Japan security alliance

E6041

bilateral security alliance defense partnership military alliance

The United States–Japan security alliance is a post–World War II defense partnership under which the U.S. guarantees Japan’s security and maintains military forces in and around Japan, forming a cornerstone of security architecture in the Asia-Pacific region.

Aliases (17)

Statements (48)

Predicate	Object
instanceOf	bilateral security alliance → defense partnership → military alliance →
allows	stationing of United States Armed Forces in Japan →
alsoKnownAs	Japan–U.S. security alliance → U.S.–Japan alliance → U.S.–Japan security alliance →
basedOnTreaty	Treaty of Mutual Cooperation and Security between the United States and Japan →
component	U.S. Forces Japan → U.S. military bases in Okinawa Prefecture → United States Seventh Fleet presence around Japan → bilateral defense guidelines → bilateral joint military exercises → bilateral security consultations →
coreObligationOfJapan	provide bases and facilities for U.S. forces in Japan →
coreObligationOfUnitedStates	defend Japan if it is attacked →
country1	United States →
country2	Japan →
focusArea	deterrence against nuclear and conventional threats in Northeast Asia → maritime security in the Western Pacific → protection of sea lanes of communication →
hasControversy	domestic opposition in Japan to U.S. bases, especially in Okinawa →
headquartersLocation	Tokyo →
includes	extended deterrence commitments by the United States →
influencedBy	Article 9 of the Constitution of Japan →
involves	collective self-defense arrangements limited by Japan’s constitution →
keyPartnerInstitution	Japan Ministry of Defense → Japan Self-Defense Forces → United States Department of Defense →
legalBasis	1951 U.S.–Japan Security Treaty → 1960 Treaty of Mutual Cooperation and Security →
politicalSignificance	framework for U.S.–Japan strategic cooperation → symbol of the U.S.–Japan partnership →
purpose	deter aggression against Japan → guarantee Japan’s security → maintain peace and stability in the Asia-Pacific region → support regional security architecture →
region	Asia-Pacific → Indo-Pacific →
relatedTo	ANZUS alliance → U.S. security presence in the Western Pacific → U.S.–South Korea alliance →
securityArchitectureRole	cornerstone of U.S. security strategy in East Asia → pillar of the regional hub-and-spokes alliance system →
significantEvent	1960 revision of the U.S.–Japan Security Treaty →
startTime	1951 →
updatedBy	1997 Guidelines for U.S.–Japan Defense Cooperation → 2015 Guidelines for U.S.–Japan Defense Cooperation →

Referenced by (28)

Subject (surface form when different)	Predicate
United States–Japan security alliance ("U.S.–Japan security alliance") → United States–Japan security alliance ("Japan–U.S. security alliance") → United States–Japan security alliance ("U.S.–Japan alliance") →	alsoKnownAs
Fifth Air Force → Japan Self-Defense Forces →	alliance
Camp Courtney → Mine Warfare Force ("U.S.–Japan security framework") →	allianceContext
Jimintō ("Japan–United States alliance") → Liberal Democratic Party ("Japan–United States alliance") →	supports
United States–Japan security alliance ("1997 Guidelines for U.S.–Japan Defense Cooperation") → United States–Japan security alliance ("2015 Guidelines for U.S.–Japan Defense Cooperation") →	updatedBy
U.S. Forces Japan ("U.S.–Japan security alliance") →	allianceFramework
United States Navy →	allianceMember
United States Armed Forces →	allianceMemberOf
Toshimitsu Motegi ("Japan–United States relations") →	areaOfInfluence
United States Ambassador to Japan ("U.S.–Japan alliance") →	associatedWith
Shinzo Abe (as Minister for Foreign Affairs) ("Japan–United States relations") →	associatedWithPolicyArea
United States–Japan security alliance ("Treaty of Mutual Cooperation and Security between the United States and Japan") →	basedOnTreaty
U.S. Forces Japan ("U.S.–Japan security alliance") →	formedAsPartOf
Washington Naval Conference period ("US–Japan relations") →	hasImpactOn
United States Indo-Pacific strategy ("U.S.-Japan alliance") →	includesMechanism
Indo-Pacific region ("United States–Japan alliance") →	isCentralTo
Shōwa era ("Japan–United States alliance") →	keyAlliancePostwar
United States–Japan security alliance ("1951 U.S.–Japan Security Treaty") →	legalBasis
Japan Ministry of Defense ("Japan–United States security alliance") →	playsRoleIn
Three Non-Nuclear Principles of Japan ("Japan–United States security arrangements") →	relatedTo
Senkaku Islands ("Japan–United States Security Treaty (as territories under Japanese administration)") →	securityCoveredBy
1960 Treaty of Mutual Cooperation and Security ("U.S.–Japan military alliance") →	subject