2nd Marine Tank Battalion
E57337
The 2nd Marine Tank Battalion is a United States Marine Corps armored unit historically recognized for its pivotal role in World War II Pacific amphibious assaults and subsequent combat operations.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T420760 — 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 Marine Tank Battalion Context triple: [Battle of Tarawa, notableUnit, 2nd Marine Tank Battalion]
-
A.
11th Marine Regiment
The 11th Marine Regiment is a United States Marine Corps artillery regiment that provides fire support to the 1st Marine Division.
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B.
1st Tank Battalion
The 1st Tank Battalion is a United States Marine Corps armored unit historically equipped with main battle tanks and known for its combat service in major conflicts such as World War II, Korea, and Vietnam.
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C.
7th Marine Regiment
The 7th Marine Regiment is a storied infantry regiment of the United States Marine Corps known for its combat service in major conflicts including World War II, Korea, Vietnam, and the Global War on Terror.
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D.
5th Marine Regiment
The 5th Marine Regiment is one of the most decorated infantry regiments in the United States Marine Corps, renowned for its combat service in major conflicts from World War I through the present.
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E.
1st Marine Regiment
The 1st Marine Regiment is a historic infantry regiment of the United States Marine Corps renowned for its combat service in major conflicts from World War II to the present.
- 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 Marine Tank Battalion Target entity description: The 2nd Marine Tank Battalion is a United States Marine Corps armored unit historically recognized for its pivotal role in World War II Pacific amphibious assaults and subsequent combat operations.
-
A.
11th Marine Regiment
The 11th Marine Regiment is a United States Marine Corps artillery regiment that provides fire support to the 1st Marine Division.
-
B.
1st Tank Battalion
The 1st Tank Battalion is a United States Marine Corps armored unit historically equipped with main battle tanks and known for its combat service in major conflicts such as World War II, Korea, and Vietnam.
-
C.
7th Marine Regiment
The 7th Marine Regiment is a storied infantry regiment of the United States Marine Corps known for its combat service in major conflicts including World War II, Korea, Vietnam, and the Global War on Terror.
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D.
5th Marine Regiment
The 5th Marine Regiment is one of the most decorated infantry regiments in the United States Marine Corps, renowned for its combat service in major conflicts from World War I through the present.
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E.
1st Marine Regiment
The 1st Marine Regiment is a historic infantry regiment of the United States Marine Corps renowned for its combat service in major conflicts from World War II to the present.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
United States Marine Corps tank battalion
ⓘ
armored unit ⓘ |
| allegiance |
United States of America
ⓘ
surface form:
United States
|
| branchColor | scarlet and gold ⓘ |
| capability |
amphibious operations support
ⓘ
mechanized operations ⓘ |
| conflict |
Gulf War
ⓘ
Iraq War ⓘ Korean War ⓘ Vietnam War ⓘ War in Afghanistan (2001–2021) ⓘ World War II ⓘ |
| country | United States of America ⓘ |
| dateEstablished | World War II era ⓘ |
| doctrine | combined arms operations ⓘ |
| engagement |
Battle of Guadalcanal
ⓘ
Battle of Okinawa ⓘ Battle of Saipan ⓘ Battle of Tarawa ⓘ Invasion of Tinian ⓘ
surface form:
Battle of Tinian
|
| equipment |
LVT(A) amphibious armored vehicle
ⓘ
M1 Abrams tanks ⓘ
surface form:
M1A1 Abrams tank
M4 Sherman tank ⓘ M48 Patton tank ⓘ M60 Patton tank ⓘ |
| garrison | Marine Corps Base Camp Lejeune ⓘ |
| higherCommand | II Marine Expeditionary Force ⓘ |
| location |
Marine Corps Base Camp Lejeune
ⓘ
surface form:
Camp Lejeune, North Carolina
|
| militaryBranch | United States Marine Corps ⓘ |
| mission |
provide armor-protected firepower and shock effect
ⓘ
support Marine infantry in offensive and defensive operations ⓘ |
| motto | “Second to None” ⓘ |
| nickname | 2d Tanks ⓘ |
| notableFor |
Allied operations in the Pacific Theater of World War II
ⓘ
surface form:
World War II Pacific amphibious assaults
supporting infantry landings with armored firepower ⓘ |
| partOf | 2nd Marine Division ⓘ |
| role |
amphibious assault support
ⓘ
armored warfare ⓘ direct fire support ⓘ |
| service | United States Marine Corps armor community ⓘ |
| status | historical Marine Corps tank battalion ⓘ |
| theater |
Pacific theater commands
ⓘ
surface form:
Pacific Theater of Operations
|
| tradition | participation in major Marine Corps amphibious assaults ⓘ |
| type | armor ⓘ |
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 Marine Tank Battalion Description of subject: The 2nd Marine Tank Battalion is a United States Marine Corps armored unit historically recognized for its pivotal role in World War II Pacific amphibious assaults and subsequent combat operations.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
USMC tank units, including 1st Tank Battalion, were divested as part of Marine Corps force redesign in the 2020s
this entity surface form:
2nd Tank Battalion