2nd Battalion, 26th Marines
E460607
The 2nd Battalion, 26th Marines was a U.S. Marine Corps infantry battalion that saw notable combat service during the Vietnam War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 2nd Battalion, 26th Marines canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4640253 — 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: 2nd Battalion, 26th Marines Context triple: [26th Marine Regiment, hasComponent, 2nd Battalion, 26th Marines]
-
A.
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.
-
B.
2nd Battalion, 6th Marines
The 2nd 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.
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C.
2nd Battalion, 1st Marines
The 2nd Battalion, 1st Marines is an infantry battalion of the United States Marine Corps known for its combat deployments and service in major conflicts as part of the 1st Marine Division.
-
D.
2nd Battalion, 7th Marines
The 2nd Battalion, 7th Marines is a U.S. Marine Corps infantry battalion renowned for its combat service in major conflicts from World War II through the Global War on Terror.
-
E.
2nd Battalion, 5th Marines
The 2nd Battalion, 5th Marines is a highly decorated infantry battalion of the United States Marine Corps known for its extensive combat history and distinguished service in major conflicts.
- 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: 2nd Battalion, 26th Marines Target entity description: The 2nd Battalion, 26th Marines was a U.S. Marine Corps infantry battalion that saw notable combat service during the Vietnam War.
-
A.
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.
-
B.
2nd Battalion, 6th Marines
The 2nd 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.
-
C.
2nd Battalion, 1st Marines
The 2nd Battalion, 1st Marines is an infantry battalion of the United States Marine Corps known for its combat deployments and service in major conflicts as part of the 1st Marine Division.
-
D.
2nd Battalion, 7th Marines
The 2nd Battalion, 7th Marines is a U.S. Marine Corps infantry battalion renowned for its combat service in major conflicts from World War II through the Global War on Terror.
-
E.
2nd Battalion, 5th Marines
The 2nd Battalion, 5th Marines is a highly decorated infantry battalion of the United States Marine Corps known for its extensive combat history and distinguished service in major conflicts.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
United States Marine Corps unit
ⓘ
infantry battalion ⓘ |
| allegiance |
United States of America
ⓘ
surface form:
United States
|
| associatedConflict | Vietnam War ground combat operations ⓘ |
| associatedWith | Marine Air‑Ground Task Force operations in Vietnam NERFINISHED ⓘ |
| branchLabel | USMC NERFINISHED ⓘ |
| combatArm | infantry ⓘ |
| commandStructure | regimental combat team within 26th Marines ⓘ |
| conflict | Vietnam War ⓘ |
| country | United States of America ⓘ |
| doctrine | Marine Corps infantry doctrine ⓘ |
| engagement |
combat operations in I Corps Tactical Zone, South Vietnam
ⓘ
operations in northern South Vietnam ⓘ |
| era | Cold War ⓘ |
| function | conduct offensive and defensive infantry operations ⓘ |
| garrisonLabel | Headquarters and Service Company NERFINISHED ⓘ |
| historicalPeriod |
1960s
ⓘ
early 1970s ⓘ |
| militaryBranch | United States Marine Corps ⓘ |
| militaryFormation | battalion‑sized infantry unit ⓘ |
| militaryRole | close combat with enemy ground forces ⓘ |
| nickname | 2/26 NERFINISHED ⓘ |
| notableFor |
combat operations in Vietnam War
ⓘ
participation in major Marine Corps operations in Vietnam ⓘ |
| notableTheater | Southeast Asia NERFINISHED ⓘ |
| operationalEnvironment |
counterinsurgency operations
ⓘ
jungle warfare ⓘ |
| partOf |
1st Marine Division
NERFINISHED
ⓘ
26th Marine Regiment NERFINISHED ⓘ |
| primaryWeapon |
crew‑served weapons
ⓘ
small arms ⓘ |
| role | infantry ⓘ |
| service |
United States Marine Corps Fleet Marine Force
NERFINISHED
ⓘ
Vietnam War NERFINISHED ⓘ |
| serviceBranch | United States Marine Corps ⓘ |
| serviceType | active duty ⓘ |
| size | battalion ⓘ |
| status | deactivated ⓘ |
| subunit |
Company E, 2nd Battalion, 26th Marines
NERFINISHED
ⓘ
Company F, 2nd Battalion, 26th Marines NERFINISHED ⓘ Company G, 2nd Battalion, 26th Marines NERFINISHED ⓘ Headquarters and Service Company, 2nd Battalion, 26th Marines NERFINISHED ⓘ Weapons Company, 2nd Battalion, 26th Marines NERFINISHED ⓘ |
| theater | Republic of Vietnam NERFINISHED ⓘ |
| training |
amphibious assault operations
ⓘ
jungle and counterguerrilla warfare ⓘ |
| type | ground combat unit ⓘ |
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: 2nd Battalion, 26th Marines Description of subject: The 2nd Battalion, 26th Marines was a U.S. Marine Corps infantry battalion 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.