Joint Base Myer–Henderson Hall
E246135
Joint Base Myer–Henderson Hall is a U.S. military installation in Northern Virginia that supports Army and Marine Corps units and is best known as the home of the ceremonial 3rd U.S. Infantry Regiment (The Old Guard) serving the National Capital Region.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Joint Base Myer–Henderson Hall canonical | 16 |
| Joint Base Myer–Henderson Hall Garrison | 1 |
| U.S. Army Garrison Fort Myer | 1 |
| United States Army Garrison Fort Myer | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2226992 — 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 Myer–Henderson Hall Context triple: [3rd U.S. Infantry Regiment (The Old Guard), garrison, Joint Base Myer–Henderson Hall]
-
A.
Fort Belvoir
Fort Belvoir is a major United States Army installation in Fairfax County, Virginia, that serves as a key administrative and logistical hub for numerous military and defense agencies.
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B.
Joint Base Andrews
Joint Base Andrews is a major U.S. military installation in Maryland best known as the home base of the presidential aircraft commonly referred to as Air Force One.
-
C.
Fort Gregg-Adams
Fort Gregg-Adams is a major U.S. Army installation in Virginia that serves as the primary training and doctrine center for logistics, sustainment, and related support specialties.
-
D.
Andrews Air Force Base
Andrews Air Force Base is a major U.S. military installation in Maryland best known as the home base for Air Force One and other aircraft supporting the President and senior government officials.
-
E.
Peterson Space Force Base
Peterson Space Force Base is a major United States Space Force installation in Colorado that serves as a key hub for space operations, training, and support activities.
- 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 Myer–Henderson Hall Target entity description: Joint Base Myer–Henderson Hall is a U.S. military installation in Northern Virginia that supports Army and Marine Corps units and is best known as the home of the ceremonial 3rd U.S. Infantry Regiment (The Old Guard) serving the National Capital Region.
-
A.
Fort Belvoir
Fort Belvoir is a major United States Army installation in Fairfax County, Virginia, that serves as a key administrative and logistical hub for numerous military and defense agencies.
-
B.
Joint Base Andrews
Joint Base Andrews is a major U.S. military installation in Maryland best known as the home base of the presidential aircraft commonly referred to as Air Force One.
-
C.
Fort Gregg-Adams
Fort Gregg-Adams is a major U.S. Army installation in Virginia that serves as the primary training and doctrine center for logistics, sustainment, and related support specialties.
-
D.
Andrews Air Force Base
Andrews Air Force Base is a major U.S. military installation in Maryland best known as the home base for Air Force One and other aircraft supporting the President and senior government officials.
-
E.
Peterson Space Force Base
Peterson Space Force Base is a major United States Space Force installation in Colorado that serves as a key hub for space operations, training, and support activities.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
United States military installation
ⓘ
joint base ⓘ |
| adjacentTo | Arlington National Cemetery ⓘ |
| branch |
U.S. Army
ⓘ
linked to:
United States Army
U.S. Marine Corps ⓘ
linked to:
United States Marine Corps
|
| category |
Military installations in Virginia
ⓘ
United States Army posts ⓘ
linked to:
United States Army post
United States Marine Corps bases ⓘ
linked to:
Marine Corps installations and commands
|
| controlledBy |
United States Army Installation Management Command
ⓘ
linked to:
U.S. Army Installation Management Command
|
| country |
United States
ⓘ
linked to:
United States of America
|
| formedByMergerOf |
Fort Myer
ⓘ
linked to:
Fort Myer, Virginia
Henderson Hall ⓘ |
| garrison |
United States Army Garrison Fort Myer
ⓘ
linked to:
Fort Myer, Virginia
|
| hasAbbreviation | JBM–HH ⓘ |
| hasCeremonialRole |
support official ceremonies for the U.S. government in Washington, D.C.
ⓘ
support state funerals and ceremonies at Arlington National Cemetery ⓘ |
| hasComponent |
Fort Myer
ⓘ
linked to:
Fort Myer, Virginia
Henderson Hall ⓘ |
| hasFunction |
administrative support
ⓘ
ceremonial support ⓘ logistical support ⓘ |
| hasMission | provide base operations support to Army and Marine Corps units in the National Capital Region ⓘ |
| hostsUnit |
3rd U.S. Infantry Regiment (The Old Guard)
ⓘ
The Old Guard Fife and Drum Corps ⓘ
linked to:
Old Guard Fife and Drum Corps
U.S. Army Band "Pershing’s Own" ⓘ
linked to:
United States Army Band
|
| isPartOf | United States Army Military District of Washington ⓘ |
| knownFor |
ceremonial support in the National Capital Region
ⓘ
home of the 3rd U.S. Infantry Regiment (The Old Guard) ⓘ |
| locatedIn |
Arlington County, Virginia
ⓘ
linked to:
Arlington, Virginia
Arlington, Virginia ⓘ National Capital Region ⓘ Northern Virginia ⓘ |
| locatedNear | Washington, D.C. ⓘ |
| militaryDistrict | Military District of Washington ⓘ |
| namedAfter |
Brevet Brigadier General Archibald Henderson
ⓘ
Brigadier General Albert J. Myer ⓘ
linked to:
Albert J. Myer
|
| operatedBy |
United States Army
ⓘ
United States Marine Corps ⓘ |
| partOf |
United States Department of Defense
ⓘ
linked to:
Department of Defense
|
| primaryRole | support for Army and Marine Corps units in the National Capital Region ⓘ |
| regionServed | National Capital Region ⓘ |
| serviceBranchPresence |
United States Army
ⓘ
United States Marine Corps ⓘ |
| supportsUnit |
United States Army units
ⓘ
linked to:
U.S. Army units
United States Marine Corps units ⓘ |
| timeZone | Eastern Time Zone ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Joint Base Myer–Henderson Hall Description of subject: Joint Base Myer–Henderson Hall is a U.S. military installation in Northern Virginia that supports Army and Marine Corps units and is best known as the home of the ceremonial 3rd U.S. Infantry Regiment (The Old Guard) serving the National Capital Region.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
United States Army Military District of Washington
→
garrisonCommandFor
→
Joint Base Myer–Henderson Hall Garrison
ⓘ
linked to: Joint Base Myer–Henderson Hall
linked to: Joint Base Myer–Henderson Hall
linked to: Joint Base Myer–Henderson Hall