Joint Base Lewis–McChord, Washington

E9711

United States military installation joint base

Joint Base Lewis–McChord, Washington is a major U.S. military installation near Tacoma that serves as a key Army and Air Force hub for training, deployment, and support operations.

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All labels observed (7)

Label	Occurrences
Joint Base Lewis–McChord	42
McChord Field	6
Joint Base Lewis-McChord	5
Joint Base Lewis–McChord, Washington canonical	3
Joint Base Lewis–McChord (partial)	1
Lewis Main (Army component of Joint Base Lewis–McChord)	1
McChord Air Force Base	1

How this entity was disambiguated

This entity first appeared as the object of triple T35600 — 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: Joint Base Lewis–McChord, Washington
Context triple: [United States Army Rangers, garrison, Joint Base Lewis–McChord, Washington]

A. Andersen Air Force Base
Andersen Air Force Base is a major United States Air Force installation on Guam that serves as a strategic hub for air operations in the Pacific region.
B. Edwards Air Force Base
Edwards Air Force Base is a major U.S. Air Force installation in Southern California known as a primary site for flight testing, aerospace research, and historic aviation milestones.
C. China Lake Naval Air Weapons Station
China Lake Naval Air Weapons Station is a major U.S. Navy research, development, testing, and evaluation facility for naval aviation weapons and technology.
D. Moffett Field, California
Moffett Field, California is a historic U.S. naval air station and aerospace hub in the San Francisco Bay Area, best known today as the site of NASA’s Ames Research Center.
E. Pueblo Chemical Depot
Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
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: Joint Base Lewis–McChord, Washington
Target entity description: Joint Base Lewis–McChord, Washington is a major U.S. military installation near Tacoma that serves as a key Army and Air Force hub for training, deployment, and support operations.

A. Andersen Air Force Base
Andersen Air Force Base is a major United States Air Force installation on Guam that serves as a strategic hub for air operations in the Pacific region.
B. Edwards Air Force Base
Edwards Air Force Base is a major U.S. Air Force installation in Southern California known as a primary site for flight testing, aerospace research, and historic aviation milestones.
C. China Lake Naval Air Weapons Station
China Lake Naval Air Weapons Station is a major U.S. Navy research, development, testing, and evaluation facility for naval aviation weapons and technology.
D. Moffett Field, California
Moffett Field, California is a historic U.S. naval air station and aerospace hub in the San Francisco Bay Area, best known today as the site of NASA’s Ames Research Center.
E. Pueblo Chemical Depot
Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	United States military installation ⓘ joint base ⓘ
country	United States of America ⓘ surface form: United States
createdUnder	Base Realignment and Closure 2005 ⓘ
dateEstablished	2010 ⓘ
formedByMergerOf	Fort Lewis ⓘ Joint Base Lewis–McChord, Washington self-linksurface differs ⓘ surface form: McChord Air Force Base
garrison	16th Combat Aviation Brigade ⓘ 17th Field Artillery Brigade ⓘ 446th Airlift Wing ⓘ 555th Engineer Brigade ⓘ 593rd Expeditionary Sustainment Command ⓘ 62nd Airlift Wing ⓘ 62nd Medical Brigade ⓘ 7th Infantry Division (United States) ⓘ I Corps ⓘ Madigan Army Medical Center ⓘ United States Army Rangers ⓘ surface form: US Army Ranger units (training elements) Western Regional Medical Command ⓘ
hasPart	Fort Lewis ⓘ Joint Base Lewis–McChord, Washington self-linksurface differs ⓘ surface form: McChord Field
hostsUnitType	airlift ⓘ artillery ⓘ aviation ⓘ engineer ⓘ infantry ⓘ medical ⓘ
IATACode	TCM ⓘ
ICAOCode	KTCM ⓘ
locatedIn	Pierce County ⓘ surface form: Pierce County, Washington
locatedNear	Tacoma, Washington ⓘ
namedAfter	Meriwether Lewis ⓘ William C. McChord ⓘ
operator	United States Air Force ⓘ United States Army ⓘ Department of Defense ⓘ surface form: United States Department of Defense
partOf	Air Mobility Command ⓘ I Corps ⓘ
primaryFunction	airlift operations ⓘ deployment ⓘ logistics support ⓘ power projection platform ⓘ training ⓘ
regionServed	Pacific Northwest ⓘ
runwayType	concrete ⓘ
state	Washington ⓘ
supportsOperationsIn	Indo-Pacific region ⓘ global contingency operations ⓘ
timeZone	Pacific Time Zone ⓘ

How these facts were elicited

Referenced by (59)

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

United States Army Rangers → garrison → Joint Base Lewis–McChord, Washington ⓘ

Joint Base Lewis–McChord, Washington → hasPart → Joint Base Lewis–McChord, Washington self-linksurface differs ⓘ

subject surface form: Joint Base Lewis–McChord

this entity surface form: McChord Field

Joint Base Lewis–McChord, Washington → formedByMergerOf → Joint Base Lewis–McChord, Washington self-linksurface differs ⓘ

subject surface form: Joint Base Lewis–McChord

this entity surface form: McChord Air Force Base

2nd Ranger Battalion → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

Lacey, Washington → adjacentTo → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

Fort Lewis → partOf → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

Fort Lewis → adjacentTo → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: McChord Field

Fort Lewis → mergedInto → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

62nd Airlift Wing → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

62nd Airlift Wing → basedAt → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: McChord Field

Pierce County → contains → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

446th Airlift Wing → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: McChord Field

446th Airlift Wing → stationedAt → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

I Corps → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

I Corps → headquartersLocation → Joint Base Lewis–McChord, Washington ⓘ

7th Infantry Division (United States) → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

7th Infantry Division (United States) → headquartersLocation → Joint Base Lewis–McChord, Washington ⓘ

555th Engineer Brigade → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

17th Field Artillery Brigade → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

62nd Medical Brigade → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

62nd Medical Brigade → headquartersLocation → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

16th Combat Aviation Brigade → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

William C. McChord → partOf → Joint Base Lewis–McChord, Washington ⓘ

subject surface form: McChord Field

this entity surface form: Joint Base Lewis–McChord

593rd Expeditionary Sustainment Command → garrisonLocation → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis-McChord

Madigan Army Medical Center → partOf → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

Madigan Army Medical Center → locatedIn → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

KTCM → ICAOCodeFor → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: McChord Field

KTCM → locatedIn → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: McChord Field

KTCM → partOf → Joint Base Lewis–McChord, Washington ⓘ

subject surface form: McChord Field

this entity surface form: Joint Base Lewis–McChord

KTCM → partOf → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

TCM → partOf → Joint Base Lewis–McChord, Washington ⓘ

subject surface form: McChord Field

this entity surface form: Joint Base Lewis–McChord

TCM → locatedIn → Joint Base Lewis–McChord, Washington ⓘ

subject surface form: McChord Field

this entity surface form: Joint Base Lewis–McChord

Lakewood → adjacentTo → Joint Base Lewis–McChord, Washington ⓘ

subject surface form: Lakewood, Washington

this entity surface form: Joint Base Lewis–McChord

Lakewood → hasMilitaryConnection → Joint Base Lewis–McChord, Washington ⓘ

subject surface form: Lakewood, Washington

this entity surface form: Joint Base Lewis–McChord

U.S. 23rd Infantry Regiment → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

Washington's 6th congressional district → contains → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord (partial)

1st and 2nd Ranger Battalions → garrison → Joint Base Lewis–McChord, Washington ⓘ

subject surface form: 2nd Ranger Battalion

this entity surface form: Joint Base Lewis–McChord

1st Special Forces Group (Airborne) → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

1st Special Forces Group (Airborne) → headquarters → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

Bayonet Division → garrison → Joint Base Lewis–McChord, Washington ⓘ

subject surface form: 7th Infantry Division

this entity surface form: Joint Base Lewis–McChord

Yelm, Washington → locatedNear → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

Yelm, Washington → isBedroomCommunityOf → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

I Corps military community → partOf → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis-McChord

Spanaway → nearMilitaryInstallation → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

Lakewood, Washington → adjacentTo → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

Lakewood, Washington → hasEconomicLinkTo → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

446th Aeromedical Evacuation Squadron → garrisonLocation → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

America’s Corps → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis–McChord

Hourglass Division → garrison → Joint Base Lewis–McChord, Washington ⓘ

subject surface form: 7th Infantry Division

this entity surface form: Joint Base Lewis-McChord

16th Brigade Engineer Battalion → garrison → Joint Base Lewis–McChord, Washington ⓘ

this entity surface form: Joint Base Lewis-McChord

All labels observed (7)

How this entity was disambiguated Show

Statements (49)

How these facts were elicited Show

Referenced by (59)

How this entity was disambiguated

How these facts were elicited