United States Army Security Agency

E61375

United States Army organization military intelligence organization signals intelligence agency

The United States Army Security Agency was a U.S. Army signals intelligence and electronic warfare organization responsible for intercepting, analyzing, and securing military communications during much of the Cold War era.

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All labels observed (6)

Label	Occurrences
U.S. Army Security Agency	5
United States Army Security Agency canonical	4
Army Security Agency	1
U.S. Army Intelligence Agency	1
U.S. Army Security Agency and British Government Code and Cypher School	1
U.S. Army Signals Intelligence Service operations	1

How this entity was disambiguated

This entity first appeared as the object of triple T492386 — 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 Army Security Agency
Context triple: [Watchful for the Country, appliesTo, United States Army Security Agency]

A. Marine Corps Intelligence Activity
The Marine Corps Intelligence Activity is a U.S. military intelligence organization that provides specialized intelligence support to the United States Marine Corps and contributes to national-level intelligence efforts.
B. Defense Communications Agency
The Defense Communications Agency was a U.S. Department of Defense organization responsible for managing and developing military communications networks and infrastructure.
C. United States Army Cyber Command
United States Army Cyber Command is a major Army command responsible for conducting cyberspace operations, defending Army networks, and supporting U.S. Cyber Command in digital warfare and information security.
D. Office of SIGINT Operations
The Office of SIGINT Operations is a specialized unit responsible for managing and conducting signals intelligence activities within the Directorate of Science and Technology.
E. National Security Agency
The National Security Agency is a U.S. intelligence organization responsible for signals intelligence collection and information assurance, including the interception and analysis of electronic communications for national security purposes.
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 Army Security Agency
Target entity description: The United States Army Security Agency was a U.S. Army signals intelligence and electronic warfare organization responsible for intercepting, analyzing, and securing military communications during much of the Cold War era.

A. Marine Corps Intelligence Activity
The Marine Corps Intelligence Activity is a U.S. military intelligence organization that provides specialized intelligence support to the United States Marine Corps and contributes to national-level intelligence efforts.
B. Defense Communications Agency
The Defense Communications Agency was a U.S. Department of Defense organization responsible for managing and developing military communications networks and infrastructure.
C. United States Army Cyber Command
United States Army Cyber Command is a major Army command responsible for conducting cyberspace operations, defending Army networks, and supporting U.S. Cyber Command in digital warfare and information security.
D. Office of SIGINT Operations
The Office of SIGINT Operations is a specialized unit responsible for managing and conducting signals intelligence activities within the Directorate of Science and Technology.
E. National Security Agency
The National Security Agency is a U.S. intelligence organization responsible for signals intelligence collection and information assurance, including the interception and analysis of electronic communications for national security purposes.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	United States Army organization ⓘ military intelligence organization ⓘ signals intelligence agency ⓘ
abbreviation	ASA ⓘ
activity	analysis of communications ⓘ cryptologic support ⓘ interception of communications ⓘ
collaboratedWith	National Security Agency ⓘ other United States military intelligence services ⓘ
conflict	Cold War ⓘ Korean War ⓘ Vietnam War ⓘ
country	United States of America ⓘ
dissolved	1977 ⓘ
era	Cold War era ⓘ post–World War II period ⓘ
headquartersLocation	Arlington Hall Station, Virginia ⓘ
inception	1945 ⓘ
motto	Vigilant Always ⓘ
notableFor	providing early warning and battlefield intelligence through intercepts ⓘ supporting U.S. Army operations in Vietnam with SIGINT ⓘ
operationalTheater	Asia ⓘ Europe ⓘ Pacific region ⓘ
oversight	United States Department of the Army ⓘ
parentOrganization	United States Army ⓘ
partOf	United States Army Intelligence structure ⓘ
primaryRole	communications security ⓘ electronic warfare ⓘ signals intelligence ⓘ
reorganizedAs	United States Army Intelligence and Security Command in 1977 ⓘ
responsibleFor	providing tactical and strategic SIGINT to Army commanders ⓘ securing U.S. Army communications ⓘ
specialization	code and cipher analysis ⓘ direction finding ⓘ electronic surveillance ⓘ radio intercept operations ⓘ
subordinateTo	Army Chief of Staff ⓘ linked to: Chief of Staff of the Army
successor	United States Army Intelligence and Security Command ⓘ linked to: Army Intelligence and Security Command
trainingLocation	Fort Devens, Massachusetts ⓘ Fort Huachuca, Arizona ⓘ linked to: Fort Huachuca
type	signals intelligence and security agency ⓘ
usedTechnology	cryptographic systems ⓘ direction-finding systems ⓘ radio intercept equipment ⓘ

How these facts were elicited

Referenced by (13)

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

Watchful for the Country → appliesTo → United States Army Security Agency ⓘ

subject linked to: “Watchful for the Country”

Watchful for the Country → isOfficialMottoOf → United States Army Security Agency ⓘ

subject linked to: “Watchful for the Country”

Watchful for the Country → usedBy → United States Army Security Agency ⓘ

subject linked to: “Watchful for the Country”

Watchful for the Country → mottoOf → U.S. Army Security Agency ⓘ

subject linked to: “Watchful for the Country”