Marine Expeditionary Unit (MEU)
E178666
A Marine Expeditionary Unit (MEU) is a forward-deployed, rapid-response U.S. Marine Corps task force typically built around a reinforced infantry battalion, aviation squadron, and logistics element for amphibious and crisis-response operations.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T1580915 — 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: Marine Expeditionary Unit (MEU) Context triple: [Expeditionary Strike Group, typicalEmbarkedForce, Marine Expeditionary Unit (MEU)]
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A.
31st Marine Expeditionary Unit
The 31st Marine Expeditionary Unit is a forward-deployed, amphibious Marine Air-Ground Task Force based in the Indo-Pacific region, specializing in rapid crisis response and expeditionary operations.
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B.
26th Marine Expeditionary Unit
The 26th Marine Expeditionary Unit is a rapid-response, sea-based U.S. Marine Corps air-ground task force capable of conducting amphibious operations, crisis response, and limited contingency missions worldwide.
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C.
24th Marine Expeditionary Unit
The 24th Marine Expeditionary Unit is a rapid-response, sea-based U.S. Marine Corps task force capable of conducting amphibious operations, crisis response, and limited contingency missions worldwide.
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D.
22nd Marine Expeditionary Unit
The 22nd Marine Expeditionary Unit is a U.S. Marine Corps rapid-response, sea-based air-ground task force capable of conducting amphibious operations, crisis response, and limited contingency missions worldwide.
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E.
Marine expeditionary force
A Marine expeditionary force is a large, self-sustaining U.S. Marine Corps air-ground task force capable of conducting and supporting amphibious and expeditionary operations across a full spectrum of military missions.
- 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: Marine Expeditionary Unit (MEU) Target entity description: A Marine Expeditionary Unit (MEU) is a forward-deployed, rapid-response U.S. Marine Corps task force typically built around a reinforced infantry battalion, aviation squadron, and logistics element for amphibious and crisis-response operations.
-
A.
31st Marine Expeditionary Unit
The 31st Marine Expeditionary Unit is a forward-deployed, amphibious Marine Air-Ground Task Force based in the Indo-Pacific region, specializing in rapid crisis response and expeditionary operations.
-
B.
26th Marine Expeditionary Unit
The 26th Marine Expeditionary Unit is a rapid-response, sea-based U.S. Marine Corps air-ground task force capable of conducting amphibious operations, crisis response, and limited contingency missions worldwide.
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C.
24th Marine Expeditionary Unit
The 24th Marine Expeditionary Unit is a rapid-response, sea-based U.S. Marine Corps task force capable of conducting amphibious operations, crisis response, and limited contingency missions worldwide.
-
D.
22nd Marine Expeditionary Unit
The 22nd Marine Expeditionary Unit is a U.S. Marine Corps rapid-response, sea-based air-ground task force capable of conducting amphibious operations, crisis response, and limited contingency missions worldwide.
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E.
Marine expeditionary force
A Marine expeditionary force is a large, self-sustaining U.S. Marine Corps air-ground task force capable of conducting and supporting amphibious and expeditionary operations across a full spectrum of military missions.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Marine Air-Ground Task Force
ⓘ
U.S. Marine Corps unit ⓘ |
| abbreviation | MEU ⓘ |
| builtAround |
combat logistics battalion
ⓘ
composite aviation squadron ⓘ reinforced infantry battalion ⓘ |
| canOperate |
from austere shore bases
ⓘ
from the sea ⓘ in littoral environments ⓘ |
| capability | self-sustained for 15 to 30 days ⓘ |
| classification | combined-arms task force ⓘ |
| commandedBy | colonel, U.S. Marine Corps ⓘ |
| component |
aviation combat element
ⓘ
command element ⓘ ground combat element ⓘ logistics combat element ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| doctrine |
amphibious operations
ⓘ
expeditionary warfare ⓘ |
| hasNotableUnit |
11th Marine Expeditionary Unit
ⓘ
13th Marine Expeditionary Unit ⓘ 15th Marine Expeditionary Unit ⓘ 22nd Marine Expeditionary Unit ⓘ 24th Marine Expeditionary Unit ⓘ 26th Marine Expeditionary Unit ⓘ |
| mission |
amphibious assault
ⓘ
disaster relief ⓘ enabling follow-on joint forces ⓘ humanitarian assistance ⓘ limited objective raids ⓘ noncombatant evacuation operations ⓘ security operations ⓘ tactical recovery of aircraft and personnel ⓘ theater security cooperation ⓘ |
| operationalControl | fleet marine force component commander ⓘ |
| parentConcept |
Marine Expeditionary Force
ⓘ
linked to:
Marine expeditionary force
|
| partOf | United States Marine Corps ⓘ |
| readinessLevel | special operations capable (historical designation) ⓘ |
| role |
amphibious assault force
ⓘ
crisis-response force ⓘ forward-deployed force ⓘ rapid-response force ⓘ |
| subordinateTo |
Marine Expeditionary Force
ⓘ
linked to:
Marine expeditionary force
|
| timePeriod | Cold War to present ⓘ |
| trainingRequirement |
certification exercise
ⓘ
predeployment training program ⓘ |
| typicalDeploymentDuration | about 6 to 7 months ⓘ |
| typicalDeploymentPlatform |
Amphibious Ready Group
ⓘ
linked to:
Amphibious ready groups
U.S. Navy amphibious assault ship ⓘ |
| typicalStrength | about 2200 Marines and sailors ⓘ |
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: Marine Expeditionary Unit (MEU) Description of subject: A Marine Expeditionary Unit (MEU) is a forward-deployed, rapid-response U.S. Marine Corps task force typically built around a reinforced infantry battalion, aviation squadron, and logistics element for amphibious and crisis-response operations.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Expeditionary Strike Groups
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
subject linked to:
Marine Air-Ground Task Forces
linked to: Marine Expeditionary Unit (MEU)
subject linked to:
Marine Air-Ground Task Forces
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
Amphibious Ready Groups deployed to the Fifth Fleet area
→
includesUnitType
→
Marine Expeditionary Unit
ⓘ
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)
subject linked to:
Amphibious ready groups
linked to: Marine Expeditionary Unit (MEU)
subject linked to:
Amphibious ready groups
linked to: Marine Expeditionary Unit (MEU)
linked to: Marine Expeditionary Unit (MEU)