Fort MacArthur

E678017

coastal defense installation former United States Army fort

Fort MacArthur is a former U.S. Army coastal defense installation in San Pedro, Los Angeles, that historically protected Los Angeles Harbor and now serves various military, residential, and community uses.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
Fort MacArthur canonical	4
Fort MacArthur Museum	1
U.S. Army coastal defense base at Fort MacArthur	1

How this entity was disambiguated

This entity first appeared as the object of triple T7625032 — 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.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Fort MacArthur
Context triple: [Angels Gate Park, adjacentTo, Fort MacArthur]

A. Fort Eisenhower
Fort Eisenhower is a United States Army installation near Augusta, Georgia, known for housing the Army Cyber Center of Excellence and serving as a major hub for cyber and signal training.
B. Fort Shafter
Fort Shafter is a major U.S. Army installation in Honolulu, Hawaii, serving as a key headquarters and command center for Army operations in the Pacific region.
C. Fort Richardson
Fort Richardson was a former United States Army post near Anchorage, Alaska, that later became part of Joint Base Elmendorf–Richardson.
D. Fort Cronkhite
Fort Cronkhite is a former World War II-era coastal defense fortification in Marin County, California, now preserved as part of the Golden Gate National Recreation Area and used for recreation and historic interpretation.
E. Fort Jay
Fort Jay is a historic coastal fortification on Governors Island in New York Harbor, notable for its star-shaped design and long military service from the early 19th century through the Cold War.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Fort MacArthur
Target entity description: Fort MacArthur is a former U.S. Army coastal defense installation in San Pedro, Los Angeles, that historically protected Los Angeles Harbor and now serves various military, residential, and community uses.

A. Fort Eisenhower
Fort Eisenhower is a United States Army installation near Augusta, Georgia, known for housing the Army Cyber Center of Excellence and serving as a major hub for cyber and signal training.
B. Fort Shafter
Fort Shafter is a major U.S. Army installation in Honolulu, Hawaii, serving as a key headquarters and command center for Army operations in the Pacific region.
C. Fort Richardson
Fort Richardson was a former United States Army post near Anchorage, Alaska, that later became part of Joint Base Elmendorf–Richardson.
D. Fort Cronkhite
Fort Cronkhite is a former World War II-era coastal defense fortification in Marin County, California, now preserved as part of the Golden Gate National Recreation Area and used for recreation and historic interpretation.
E. Fort Jay
Fort Jay is a historic coastal fortification on Governors Island in New York Harbor, notable for its star-shaped design and long military service from the early 19th century through the Cold War.
F. None of above. chosen

Statements (58)

Predicate	Object
instanceOf	coastal defense installation ⓘ former United States Army fort ⓘ
controlledBy	United States Army ⓘ
country	United States of America ⓘ
currentUse	administrative offices ⓘ community center ⓘ military housing ⓘ museum site ⓘ recreational facilities ⓘ
garrison	United States Army Coast Artillery Corps ⓘ linked to: United States Coast Artillery Corps
hasFunction	administrative support facility ⓘ anti-aircraft defense site ⓘ coastal artillery base ⓘ community recreation area ⓘ harbor defense ⓘ military housing area ⓘ
hasMuseum	Fort MacArthur Museum ⓘ linked to: Fort MacArthur
hasPart	Battery 240 ⓘ Battery 241 ⓘ Battery Barlow-Saxton ⓘ Battery Leary-Merriam ⓘ Battery Osgood-Farley ⓘ Lower Reservation ⓘ Middle Reservation ⓘ Nike missile facilities ⓘ Upper Reservation ⓘ
heritageDesignation	Los Angeles Historic-Cultural Monument ⓘ historic military site ⓘ
locatedIn	California ⓘ linked to: California, United States Los Angeles County, California ⓘ linked to: Los Angeles County Los Angeles Harbor area ⓘ linked to: Harbor region of Los Angeles Los Angeles, California ⓘ linked to: Los Angeles, California, United States of America San Pedro, Los Angeles ⓘ linked to: San Pedro
locatedNear	Angels Gate ⓘ linked to: Angels Gate Park Cabrillo Beach ⓘ Los Angeles Harbor Light ⓘ Port of Long Beach ⓘ Port of Los Angeles ⓘ
locatedOn	Palos Verdes Peninsula ⓘ
maintainedBy	United States Air Force ⓘ United States Space Force ⓘ
namedAfter	Arthur MacArthur Jr. ⓘ
nearbyStructure	Angels Gate Park ⓘ Korean Bell of Friendship ⓘ Point Fermin Park ⓘ
openToPublic	partially ⓘ
operator	United States Army ⓘ
partOf	Harbor District of Los Angeles ⓘ linked to: Harbor City Los Angeles Air Force Base support housing ⓘ
significantEvent	Cold War air defense role ⓘ World War I coastal defense operations ⓘ World War II harbor defense operations ⓘ
startDate	1914 ⓘ
usedFor	Nike missile operations ⓘ linked to: Nike surface-to-air missile system (in coordination with U.S. Army) anti-aircraft training ⓘ protection of Los Angeles Harbor ⓘ protection of Southern California coastline ⓘ training of coastal artillery units ⓘ

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Angels Gate Park → adjacentTo → Fort MacArthur ⓘ

San Pedro neighborhood → hasLandmark → Fort MacArthur ⓘ

Korean Bell Pavilion → near → Fort MacArthur ⓘ

Fort MacArthur → hasMuseum → Fort MacArthur Museum ⓘ

linked to: Fort MacArthur

San Pedro, California → hasLandmark → Fort MacArthur ⓘ

San Pedro, California → historicalUse → U.S. Army coastal defense base at Fort MacArthur ⓘ