Yokosuka Naval Base
E268728
Yokosuka Naval Base is a major United States Navy installation in Japan that serves as the home port for the U.S. Seventh Fleet and a key hub for naval operations in the Western Pacific.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Yokosuka Naval Base canonical | 2 |
| Yokosuka naval base | 2 |
| Yokosuka naval base area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2336523 — 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: Yokosuka Naval Base Context triple: [Yokosuka Naval Arsenal, locatedNear, Yokosuka Naval Base]
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A.
Yokosuka Naval Arsenal
Yokosuka Naval Arsenal was a major Imperial Japanese Navy shipbuilding and armaments facility that constructed many of Japan’s warships before and during World War II.
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B.
Sasebo Naval Arsenal
Sasebo Naval Arsenal was a major Imperial Japanese Navy shipbuilding and repair facility located in Sasebo, Nagasaki, that played a key role in Japan’s naval operations before and during World War II.
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C.
Maizuru Naval Arsenal
Maizuru Naval Arsenal was a major Imperial Japanese Navy shipbuilding and armaments facility located in Maizuru, Kyoto Prefecture, active primarily from the late 19th century through World War II.
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D.
Tsukiji Naval Training Center
Tsukiji Naval Training Center was a late Edo-period naval academy in Tokyo that played a key role in modernizing Japan’s navy through Western-style maritime education and training.
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E.
Futenma Air Station
Futenma Air Station is a major United States Marine Corps air base located in the densely populated city of Ginowan on Japan’s Okinawa Island, long at the center of local controversy over noise, safety, and the American military presence.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Yokosuka Naval Base Target entity description: Yokosuka Naval Base is a major United States Navy installation in Japan that serves as the home port for the U.S. Seventh Fleet and a key hub for naval operations in the Western Pacific.
-
A.
Yokosuka Naval Arsenal
Yokosuka Naval Arsenal was a major Imperial Japanese Navy shipbuilding and armaments facility that constructed many of Japan’s warships before and during World War II.
-
B.
Sasebo Naval Arsenal
Sasebo Naval Arsenal was a major Imperial Japanese Navy shipbuilding and repair facility located in Sasebo, Nagasaki, that played a key role in Japan’s naval operations before and during World War II.
-
C.
Maizuru Naval Arsenal
Maizuru Naval Arsenal was a major Imperial Japanese Navy shipbuilding and armaments facility located in Maizuru, Kyoto Prefecture, active primarily from the late 19th century through World War II.
-
D.
Tsukiji Naval Training Center
Tsukiji Naval Training Center was a late Edo-period naval academy in Tokyo that played a key role in modernizing Japan’s navy through Western-style maritime education and training.
-
E.
Futenma Air Station
Futenma Air Station is a major United States Marine Corps air base located in the densely populated city of Ginowan on Japan’s Okinawa Island, long at the center of local controversy over noise, safety, and the American military presence.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy base
ⓘ
military installation ⓘ |
| allianceContext |
United States–Japan security alliance
ⓘ
surface form:
U.S.-Japan security treaty
|
| alsoKnownAs |
CFAY
ⓘ
Fleet Activities Yokosuka ⓘ
surface form:
Commander Fleet Activities Yokosuka
|
| contains |
commissary
ⓘ
dry docks ⓘ exchange ⓘ family housing areas ⓘ logistics and supply facilities ⓘ medical clinic ⓘ piers and berthing facilities ⓘ schools for dependents ⓘ ship repair facilities ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| distanceToTokyo | approximately 65 kilometers south of Tokyo ⓘ |
| garrison |
Fleet Activities Yokosuka
ⓘ
surface form:
Commander, Fleet Activities Yokosuka
|
| hasCapability |
aircraft carrier maintenance
ⓘ
destroyer maintenance ⓘ |
| hasHarbor | deep-water harbor ⓘ |
| hasType | overseas U.S. naval base ⓘ |
| homePortOf |
Carrier Strike Groups
ⓘ
surface form:
Carrier Strike Group 5
Destroyer Squadron 15 ⓘ USS Ronald Reagan (CVN-76) ⓘ Seventh Fleet ⓘ
surface form:
United States Seventh Fleet
|
| locatedInTheAdministrativeTerritorialEntity |
Honshu
ⓘ
Kanagawa Prefecture NERFINISHED ⓘ |
| locatedOn | Tokyo Bay ⓘ |
| location |
Yokosuka, Kanagawa, Japan
ⓘ
surface form:
Yokosuka, Kanagawa Prefecture, Japan
|
| militaryBranch | United States Navy ⓘ |
| nearbyCity | Yokohama ⓘ |
| operator | United States Navy ⓘ |
| partOf |
U.S. Pacific Fleet
ⓘ
U.S. Forces Japan ⓘ
surface form:
United States Forces Japan
|
| primaryFunction |
home port for U.S. Seventh Fleet
ⓘ
logistics hub for Western Pacific naval operations ⓘ |
| regionServed |
Indian Ocean
ⓘ
western Pacific Ocean ⓘ
surface form:
Western Pacific Ocean
|
| sharesFacilitiesWith |
Japan Maritime Self-Defense Force Yokosuka Naval Base
ⓘ
surface form:
Japan Maritime Self-Defense Force Yokosuka District
|
| strategicImportance |
key hub for U.S. naval presence in Western Pacific
ⓘ
supports U.S.-Japan security alliance ⓘ |
| supportsOperation |
freedom of navigation operations
ⓘ
maritime security operations in Western Pacific ⓘ |
| supportsUnit |
Commander, Seventh Fleet
ⓘ
surface form:
U.S. Seventh Fleet command staff
U.S. Navy surface ships ⓘ
surface form:
U.S. Seventh Fleet surface ships
|
| timeZone | Japan Standard Time ⓘ |
| usedBy |
Japan Maritime Self-Defense Force
ⓘ
United States Navy ⓘ |
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: Yokosuka Naval Base Description of subject: Yokosuka Naval Base is a major United States Navy installation in Japan that serves as the home port for the U.S. Seventh Fleet and a key hub for naval operations in the Western Pacific.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.