2nd Assault Amphibian Battalion
E202020
The 2nd Assault Amphibian Battalion is a United States Marine Corps unit specializing in amphibious assault and mechanized operations, providing ship-to-shore movement and armored support for Marine forces.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 2nd Assault Amphibian Battalion canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1689820 — 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 Assault Amphibian Battalion Context triple: [2nd Marine Division, componentUnit, 2nd Assault Amphibian Battalion]
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A.
2nd Marine Tank Battalion
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.
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B.
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.
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C.
2nd Reconnaissance Battalion
The 2nd Reconnaissance Battalion is a United States Marine Corps unit specializing in amphibious and ground reconnaissance and surveillance in support of Marine Air-Ground Task Force operations.
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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.
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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 Assault Amphibian Battalion Target entity description: The 2nd Assault Amphibian Battalion is a United States Marine Corps unit specializing in amphibious assault and mechanized operations, providing ship-to-shore movement and armored support for Marine forces.
-
A.
2nd Marine Tank Battalion
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.
-
B.
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.
-
C.
2nd Reconnaissance Battalion
The 2nd Reconnaissance Battalion is a United States Marine Corps unit specializing in amphibious and ground reconnaissance and surveillance in support of Marine Air-Ground Task Force operations.
-
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 (34)
| Predicate | Object |
|---|---|
| instanceOf |
United States Marine Corps battalion
ⓘ
assault amphibian unit ⓘ |
| allegiance |
United States of America
ⓘ
surface form:
United States
|
| conflict |
Gulf War
ⓘ
Iraq War ⓘ Korean War ⓘ Vietnam War ⓘ War in Afghanistan (2001–2021) ⓘ World War II ⓘ |
| country | United States of America ⓘ |
| equipment |
AAV-7A1
ⓘ
Assault Amphibious Vehicle ⓘ |
| garrison | Marine Corps Base Camp Lejeune ⓘ |
| garrisonLocation |
Marine Corps Base Camp Lejeune
ⓘ
surface form:
Camp Lejeune, North Carolina
|
| higherFormation | 2nd Marine Division ⓘ |
| militaryBranch | United States Marine Corps ⓘ |
| mission |
to conduct mechanized operations ashore
ⓘ
to transport surface assault elements of the landing force and their equipment in amphibious operations ⓘ |
| nickname | 2nd AABn ⓘ |
| notableCapability |
amphibious ship-to-shore movement of troops and equipment
ⓘ
armored, tracked amphibious vehicles ⓘ |
| operationalDomain |
amphibious warfare
ⓘ
expeditionary warfare ⓘ littoral operations ⓘ |
| partOf |
2nd Marine Division
ⓘ
II Marine Expeditionary Force ⓘ |
| role |
to provide armored amphibious mobility and support
ⓘ
to provide ship-to-shore movement of Marine assault forces ⓘ |
| service | United States Marine Corps ⓘ |
| specialization |
amphibious assault operations
ⓘ
armored support for Marine forces ⓘ mechanized operations ⓘ ship-to-shore movement ⓘ |
| type | ground combat support 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 Assault Amphibian Battalion Description of subject: The 2nd Assault Amphibian Battalion is a United States Marine Corps unit specializing in amphibious assault and mechanized operations, providing ship-to-shore movement and armored support for Marine forces.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.