United States Coast Artillery Corps

E33754

artillery branch former military organization military branch

The United States Coast Artillery Corps was a branch of the U.S. Army responsible for coastal, harbor, and anti-aircraft defense, particularly prominent from the late 19th century through World War II.

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All labels observed (13)

Label	Occurrences
United States Army Coast Artillery Corps	46
Coast Artillery Corps	7
United States Coast Artillery Corps canonical	4
U.S. Army Coast Artillery Corps	3
United States Army Coast Artillery units	3
United States Army Coast Artillery Corps (historical)	2
Coast Artillery Corps regiments	1
U.S. Coast Artillery Corps	1
U.S. coastal artillery corps	1
United States Army Coast Artillery	1
United States Army Coast Artillery troops	1
United States Army coastal artillery	1
United States coastal artillery	1

How this entity was disambiguated

This entity first appeared as the object of triple T259725 — 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: United States Coast Artillery Corps
Context triple: [United States Department of War, oversaw, United States Coast Artillery Corps]

A. Adjutant General's Corps
The Adjutant General's Corps is a British Army administrative and support corps responsible for personnel, legal, educational, and other key service functions.
B. Air Defense Artillery Branch
The Air Defense Artillery Branch is the United States Army’s specialized branch responsible for defending forces and critical assets against aerial and missile threats using ground-based air defense systems.
C. United States Army Signal Corps
The United States Army Signal Corps is the branch of the U.S. Army responsible for developing, managing, and supporting military communications and information systems.
D. Field Artillery Branch
The Field Artillery Branch is the component of the U.S. Army responsible for providing indirect fire support using cannons, rockets, and missiles to assist ground combat operations.
E. United States Army Field Artillery School
The United States Army Field Artillery School is the Army’s primary institution for educating and training soldiers and officers in field artillery tactics, techniques, and doctrine.
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: United States Coast Artillery Corps
Target entity description: The United States Coast Artillery Corps was a branch of the U.S. Army responsible for coastal, harbor, and anti-aircraft defense, particularly prominent from the late 19th century through World War II.

A. Adjutant General's Corps
The Adjutant General's Corps is a British Army administrative and support corps responsible for personnel, legal, educational, and other key service functions.
B. Air Defense Artillery Branch
The Air Defense Artillery Branch is the United States Army’s specialized branch responsible for defending forces and critical assets against aerial and missile threats using ground-based air defense systems.
C. United States Army Signal Corps
The United States Army Signal Corps is the branch of the U.S. Army responsible for developing, managing, and supporting military communications and information systems.
D. Field Artillery Branch
The Field Artillery Branch is the component of the U.S. Army responsible for providing indirect fire support using cannons, rockets, and missiles to assist ground combat operations.
E. United States Army Field Artillery School
The United States Army Field Artillery School is the Army’s primary institution for educating and training soldiers and officers in field artillery tactics, techniques, and doctrine.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	artillery branch ⓘ former military organization ⓘ military branch ⓘ
activeDuring	World War I ⓘ World War II ⓘ interwar period ⓘ late 19th century ⓘ
country	United States of America ⓘ
declineCause	changing naval warfare ⓘ development of mobile artillery and missiles ⓘ rise of air power ⓘ
doctrine	controlled minefields in harbor channels ⓘ fixed fortification defense ⓘ
engagedIn	coastal defense of the United States ⓘ overseas harbor defense in U.S. territories ⓘ
formedFrom	United States Artillery Corps ⓘ
garrisonedAt	coastal forts ⓘ harbor defenses ⓘ
hadSubunitType	anti-aircraft regiment ⓘ coast artillery battery ⓘ coast artillery regiment ⓘ mine planter service ⓘ
heritage	predecessor of modern U.S. Army air defense artillery ⓘ predecessor of modern U.S. coastal and harbor defense concepts ⓘ
notableEraOfProminence	World War I ⓘ World War II ⓘ
operatedIn	U.S. overseas possessions ⓘ continental United States ⓘ linked to: contiguous United States strategic harbors and approaches ⓘ
partOf	United States Army ⓘ
primaryMission	defend major U.S. ports ⓘ deny enemy ships access to harbors ⓘ protect naval bases ⓘ
responsibleFor	anti-aircraft defense ⓘ coastal defense ⓘ harbor defense ⓘ seacoast fortifications ⓘ
specializedIn	anti-aircraft artillery ⓘ fixed gun emplacements ⓘ harbor minefields ⓘ heavy artillery ⓘ
transitionedRole	increasing focus on anti-aircraft defense in 20th century ⓘ
usedWeaponType	anti-aircraft gun ⓘ coast artillery gun ⓘ disappearing gun ⓘ mortars ⓘ

How these facts were elicited