3rd Battalion, 26th Marines
E463257
The 3rd Battalion, 26th Marines was an infantry battalion of the United States Marine Corps that saw notable combat service during the Vietnam War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 3rd Battalion, 26th Marines canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4640254 — 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: 3rd Battalion, 26th Marines Context triple: [26th Marine Regiment, hasComponent, 3rd Battalion, 26th Marines]
-
A.
2nd Battalion, 26th Marines
The 2nd Battalion, 26th Marines was a U.S. Marine Corps infantry battalion that saw notable combat service during the Vietnam War.
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B.
1st Battalion, 26th Marines
The 1st Battalion, 26th Marines was a U.S. Marine Corps infantry battalion that saw notable combat service during the Vietnam War.
-
C.
3rd Battalion, 6th Marines
The 3rd Battalion, 6th Marines is an infantry battalion of the United States Marine Corps known for its combat deployments and service in major conflicts throughout the 20th and 21st centuries.
-
D.
3rd Battalion, 1st Marines
The 3rd Battalion, 1st Marines is an infantry battalion of the United States Marine Corps known for its combat deployments and service in major conflicts including World War II, the Korean War, and the wars in Iraq and Afghanistan.
-
E.
3rd Battalion, 7th Marines
The 3rd Battalion, 7th Marines is a United States Marine Corps infantry battalion renowned for its combat deployments and service as part of the 1st Marine Division.
- 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: 3rd Battalion, 26th Marines Target entity description: The 3rd Battalion, 26th Marines was an infantry battalion of the United States Marine Corps that saw notable combat service during the Vietnam War.
-
A.
2nd Battalion, 26th Marines
The 2nd Battalion, 26th Marines was a U.S. Marine Corps infantry battalion that saw notable combat service during the Vietnam War.
-
B.
1st Battalion, 26th Marines
The 1st Battalion, 26th Marines was a U.S. Marine Corps infantry battalion that saw notable combat service during the Vietnam War.
-
C.
3rd Battalion, 6th Marines
The 3rd Battalion, 6th Marines is an infantry battalion of the United States Marine Corps known for its combat deployments and service in major conflicts throughout the 20th and 21st centuries.
-
D.
3rd Battalion, 1st Marines
The 3rd Battalion, 1st Marines is an infantry battalion of the United States Marine Corps known for its combat deployments and service in major conflicts including World War II, the Korean War, and the wars in Iraq and Afghanistan.
-
E.
3rd Battalion, 7th Marines
The 3rd Battalion, 7th Marines is a United States Marine Corps infantry battalion renowned for its combat deployments and service as part of the 1st Marine Division.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
United States Marine Corps unit
ⓘ
infantry battalion ⓘ |
| allegiance |
United States of America
ⓘ
surface form:
United States
|
| associatedWith |
Marine units at Khe Sanh
ⓘ
United States Marine Corps infantry battalions ⓘ |
| branch | United States Marine Corps NERFINISHED ⓘ |
| category |
Infantry battalions of the United States Marine Corps
ⓘ
United States Marine Corps units and formations of the Vietnam War ⓘ |
| combatArm | infantry ⓘ |
| conflict | Vietnam War ⓘ |
| country | United States of America ⓘ |
| era |
Cold War
ⓘ
Vietnam War era ⓘ |
| garrisonDuringWar | Khe Sanh Combat Base NERFINISHED ⓘ |
| higherCommand | III Marine Amphibious Force NERFINISHED ⓘ |
| militaryBranchType | naval infantry ⓘ |
| militaryRole | infantry ⓘ |
| militarySpecialty | infantry operations ⓘ |
| nationality | American ⓘ |
| notableEngagement |
Battle of Khe Sanh
NERFINISHED
ⓘ
Operation Kingfisher NERFINISHED ⓘ Operation Lancaster NERFINISHED ⓘ Operation Pegasus NERFINISHED ⓘ Operation Scotland NERFINISHED ⓘ |
| notableFor | combat service during the Vietnam War ⓘ |
| notableTheater |
Demilitarized Zone area, Vietnam
NERFINISHED
ⓘ
Quang Tri Province, South Vietnam NERFINISHED ⓘ |
| partOf |
26th Marine Regiment
NERFINISHED
ⓘ
5th Marine Division NERFINISHED ⓘ |
| primaryMission |
close combat operations against enemy ground forces
ⓘ
support of Marine Air-Ground Task Force operations ⓘ |
| service | United States Marine Corps NERFINISHED ⓘ |
| serviceBranchAbbreviation | USMC NERFINISHED ⓘ |
| serviceType | active duty ⓘ |
| size | battalion ⓘ |
| standardSubunits |
headquarters and service company
ⓘ
rifle companies ⓘ weapons company ⓘ |
| status | deactivated ⓘ |
| theaterOfOperations | I Corps Tactical Zone, South Vietnam NERFINISHED ⓘ |
| type | ground combat element ⓘ |
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: 3rd Battalion, 26th Marines Description of subject: The 3rd Battalion, 26th Marines was an infantry battalion of the United States Marine Corps that saw notable combat service during the Vietnam War.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.