U.S. Forces Japan
E37853
U.S. Forces Japan is the forward-deployed U.S. military command responsible for overseeing American troops and operations stationed in Japan under the bilateral defense partnership.
All labels observed (6)
| Label | Occurrences |
|---|---|
| United States Forces Japan | 22 |
| U.S. Forces Japan canonical | 4 |
| USFJ | 2 |
| United States Armed Forces in Japan | 1 |
| United States Forces Japan Headquarters | 1 |
| United States Navy forces in Japan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T293375 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: U.S. Forces Japan Context triple: [United States–Japan security alliance, component, U.S. Forces Japan]
-
A.
U.S. Army Pacific
U.S. Army Pacific is the Army service component command of U.S. Indo-Pacific Command, responsible for overseeing and coordinating U.S. Army operations and forces across the Indo-Pacific region.
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B.
United States Army Forces in the Far East
United States Army Forces in the Far East was a World War II U.S. Army command under General Douglas MacArthur responsible for the defense of the Philippines and surrounding regions against Japanese forces.
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C.
United States Marine Corps Forces, Pacific
United States Marine Corps Forces, Pacific is the Marine Corps’ largest operational command, responsible for organizing, training, and deploying Marine forces across the Indo-Pacific region.
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D.
Japan Self-Defense Forces
The Japan Self-Defense Forces are Japan’s post–World War II military organization, maintained strictly for defensive purposes under the country’s pacifist constitution.
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E.
Japan Air Self-Defense Force
The Japan Air Self-Defense Force is the aviation branch of Japan’s Self-Defense Forces, responsible for the country’s air defense and airspace security.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: U.S. Forces Japan Target entity description: U.S. Forces Japan is the forward-deployed U.S. military command responsible for overseeing American troops and operations stationed in Japan under the bilateral defense partnership.
-
A.
U.S. Army Pacific
U.S. Army Pacific is the Army service component command of U.S. Indo-Pacific Command, responsible for overseeing and coordinating U.S. Army operations and forces across the Indo-Pacific region.
-
B.
United States Army Forces in the Far East
United States Army Forces in the Far East was a World War II U.S. Army command under General Douglas MacArthur responsible for the defense of the Philippines and surrounding regions against Japanese forces.
-
C.
United States Marine Corps Forces, Pacific
United States Marine Corps Forces, Pacific is the Marine Corps’ largest operational command, responsible for organizing, training, and deploying Marine forces across the Indo-Pacific region.
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D.
Japan Self-Defense Forces
The Japan Self-Defense Forces are Japan’s post–World War II military organization, maintained strictly for defensive purposes under the country’s pacifist constitution.
-
E.
Japan Air Self-Defense Force
The Japan Air Self-Defense Force is the aviation branch of Japan’s Self-Defense Forces, responsible for the country’s air defense and airspace security.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
United States military formation
ⓘ
bilateral command ⓘ military command ⓘ |
| allianceFramework |
United States–Japan security alliance
ⓘ
surface form:
U.S.–Japan security alliance
|
| alliedWith | Japan ⓘ |
| basedOnAgreement | U.S.–Japan Status of Forces Agreement ⓘ |
| basedOnTreaty |
1960 Treaty of Mutual Cooperation and Security
ⓘ
surface form:
Treaty of Mutual Cooperation and Security between the United States and Japan
|
| commandedBy |
Commander, U.S. Forces Japan
ⓘ
senior U.S. Air Force lieutenant general ⓘ |
| commanderDualHattedAs | Commander, Fifth Air Force ⓘ |
| componentOf | United States Armed Forces presence in Japan ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| engagesIn |
bilateral training exercises with Japan Self-Defense Forces
ⓘ
contingency planning for the defense of Japan ⓘ |
| formedAsPartOf |
United States–Japan security alliance
ⓘ
surface form:
U.S.–Japan security alliance
|
| hasAbbreviation |
U.S. Forces Japan
self-linksurface differs
ⓘ
surface form:
USFJ
|
| headquartersLocation |
Fussa, Tokyo
ⓘ
Japan ⓘ Yokota Air Base ⓘ |
| includesBranch |
United States Air Force
ⓘ
United States Army ⓘ United States Marine Corps ⓘ United States Navy ⓘ United States Space Force ⓘ |
| jurisdiction | Japan ⓘ |
| locatedIn | Japan ⓘ |
| mission |
coordinate joint and bilateral operations with the Japan Self-Defense Forces
ⓘ
maintain readiness of forward-deployed U.S. forces in Japan ⓘ oversee U.S. military forces stationed in Japan ⓘ support the defense of Japan ⓘ |
| operatesIn | Japan ⓘ |
| oversees |
U.S. bases in mainland Japan
ⓘ
U.S. bases on Okinawa ⓘ U.S. military installations in Japan ⓘ |
| parentOrganization |
Department of Defense
ⓘ
surface form:
United States Department of Defense
|
| partOf | United States Indo-Pacific Command ⓘ |
| region |
Indo-Pacific region
ⓘ
surface form:
Indo-Pacific
|
| responsibleFor |
administrative control of U.S. forces in Japan
ⓘ
implementation of the U.S.–Japan Status of Forces Agreement at the force level ⓘ operational coordination with Japanese authorities ⓘ |
| role |
support regional stability in the Indo-Pacific
ⓘ
theater-level coordination of U.S. forces in Japan ⓘ |
| shortName |
U.S. Forces Japan
self-linksurface differs
ⓘ
surface form:
USFJ
|
| subordinateTo | United States Indo-Pacific Command ⓘ |
| typeOfPresence | forward-deployed force ⓘ |
| worksWith |
Japan Air Self-Defense Force
ⓘ
Japan Ground Self-Defense Force ⓘ Japan Maritime Self-Defense Force ⓘ Japan Self-Defense Forces ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: U.S. Forces Japan Description of subject: U.S. Forces Japan is the forward-deployed U.S. military command responsible for overseeing American troops and operations stationed in Japan under the bilateral defense partnership.
Referenced by (31)
Full triples — surface form annotated when it differs from this entity's canonical label.