U.S. Army Chemical Materials Activity

E57739

United States Army organization military organization

The U.S. Army Chemical Materials Activity is a U.S. Army organization responsible for the safe storage, monitoring, and destruction of the nation’s chemical weapons stockpiles and related materials.

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All labels observed (6)

Label	Occurrences
U.S. Army Chemical Materials Agency	11
U.S. Army Chemical Materials Activity canonical	9
Chemical weapons depots of the United States	1
U.S. Army Chemical Corps (through CMA)	1
United States Army Chemical Materials Agency	1
United States Army chemical units and formations	1

How this entity was disambiguated

This entity first appeared as the object of triple T459309 — 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: U.S. Army Chemical Materials Activity
Context triple: [Pueblo Chemical Depot, partOf, U.S. Army Chemical Materials Activity]

A. U.S. Army Natick Soldier Research Development and Engineering Center
The U.S. Army Natick Soldier Research Development and Engineering Center is a U.S. military research facility focused on developing advanced equipment, clothing, and technologies to enhance soldier protection, performance, and survivability.
B. Pueblo Chemical Depot
Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
C. U.S. Army Sustainment Center of Excellence
The U.S. Army Sustainment Center of Excellence is a major Army organization responsible for developing doctrine, training, and capabilities for logistics, sustainment, and materiel readiness across the force.
D. United States Army Space and Missile Defense Command
The United States Army Space and Missile Defense Command is a major Army command responsible for developing, integrating, and managing the Army’s space, missile defense, and high-altitude capabilities to support national defense and warfighter operations.
E. United States Ordnance Department
The United States Ordnance Department was a branch of the U.S. Army responsible for the procurement, supply, and maintenance of weapons, ammunition, and military equipment.
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: U.S. Army Chemical Materials Activity
Target entity description: The U.S. Army Chemical Materials Activity is a U.S. Army organization responsible for the safe storage, monitoring, and destruction of the nation’s chemical weapons stockpiles and related materials.

A. U.S. Army Natick Soldier Research Development and Engineering Center
The U.S. Army Natick Soldier Research Development and Engineering Center is a U.S. military research facility focused on developing advanced equipment, clothing, and technologies to enhance soldier protection, performance, and survivability.
B. Pueblo Chemical Depot
Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
C. U.S. Army Sustainment Center of Excellence
The U.S. Army Sustainment Center of Excellence is a major Army organization responsible for developing doctrine, training, and capabilities for logistics, sustainment, and materiel readiness across the force.
D. United States Army Space and Missile Defense Command
The United States Army Space and Missile Defense Command is a major Army command responsible for developing, integrating, and managing the Army’s space, missile defense, and high-altitude capabilities to support national defense and warfighter operations.
E. United States Ordnance Department
The United States Ordnance Department was a branch of the U.S. Army responsible for the procurement, supply, and maintenance of weapons, ammunition, and military equipment.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	United States Army organization ⓘ military organization ⓘ
aimsTo	protect workers, the public, and the environment from chemical agent hazards ⓘ
compliesWith	Chemical Weapons Convention ⓘ
country	United States ⓘ linked to: United States of America
fieldOfWork	chemical surety ⓘ chemical weapons demilitarization ⓘ chemical weapons storage ⓘ environmental protection ⓘ public safety ⓘ
focusesOn	legacy U.S. unitary chemical weapons stockpile ⓘ recovered chemical warfare materiel ⓘ
formerlyKnownAs	U.S. Army Chemical Materials Agency ⓘ linked to: U.S. Army Chemical Materials Activity
hasAbbreviation	CMA ⓘ
hasComplianceObjective	verification support for international inspections of U.S. chemical weapons sites ⓘ
hasEnvironmentalObjective	minimize environmental impact of chemical weapons destruction ⓘ
hasLegalMandate	U.S. federal law governing chemical weapons destruction ⓘ international treaty obligations under the Chemical Weapons Convention ⓘ
hasOperationalScope	U.S. chemical weapons storage sites ⓘ continental United States ⓘ linked to: contiguous United States
hasSafetyObjective	accident prevention at chemical weapons storage sites ⓘ safe storage of chemical agents until destruction ⓘ
headquartersLocation	Aberdeen Proving Ground, Maryland ⓘ
locatedInAdministrativeTerritorialEntity	Maryland ⓘ United States ⓘ linked to: United States of America
mission	to safely store, monitor, and destroy the nation’s chemical weapons stockpiles and related materials ⓘ
operatedBy	United States Army ⓘ
parentOrganization	U.S. Army ⓘ linked to: United States Army U.S. Army Materiel Command ⓘ
partOf	U.S. Army Materiel Command ⓘ
responsibleFor	chemical weapons treaty compliance support ⓘ destruction of U.S. chemical weapons stockpiles ⓘ management of recovered chemical warfare materiel ⓘ monitoring of U.S. chemical weapons stockpiles ⓘ safe storage of U.S. chemical weapons stockpiles ⓘ
sector	defense ⓘ hazardous materials management ⓘ national security ⓘ
subjectOf	U.S. Army chemical weapons demilitarization programs ⓘ
subordinateTo	U.S. Army Materiel Command ⓘ
task	coordination with federal, state, and local agencies on chemical weapons issues ⓘ oversight of chemical weapons stockpile elimination programs ⓘ public outreach related to chemical weapons storage and destruction ⓘ risk reduction associated with legacy chemical warfare materiel ⓘ
typeOfOrganization	operational field activity ⓘ
uses	chemical demilitarization technologies ⓘ monitoring systems for chemical agent storage ⓘ

How these facts were elicited

Referenced by (24)

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

Pueblo Chemical Depot → partOf → U.S. Army Chemical Materials Activity ⓘ

Pueblo Chemical Depot → oversightAgency → U.S. Army Chemical Materials Activity ⓘ

U.S. Army Chemical Materials Activity → formerlyKnownAs → U.S. Army Chemical Materials Agency ⓘ