U.S. Marine Corps Regimental Combat Team 1
E170584
U.S. Marine Corps Regimental Combat Team 1 is a reinforced Marine infantry regiment-sized formation known for its major combat role in the Second Battle of Fallujah during the Iraq War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| U.S. Marine Corps Regimental Combat Team 1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1481507 — 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: U.S. Marine Corps Regimental Combat Team 1 Context triple: [Operation Phantom Fury, involvedUnit, U.S. Marine Corps Regimental Combat Team 1]
-
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.
Marine Raider Regiment
The Marine Raider Regiment is an elite U.S. Marine Corps special operations unit specializing in direct action, special reconnaissance, and counterterrorism missions worldwide.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: U.S. Marine Corps Regimental Combat Team 1 Target entity description: U.S. Marine Corps Regimental Combat Team 1 is a reinforced Marine infantry regiment-sized formation known for its major combat role in the Second Battle of Fallujah during the Iraq War.
-
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.
Marine Raider Regiment
The Marine Raider Regiment is an elite U.S. Marine Corps special operations unit specializing in direct action, special reconnaissance, and counterterrorism missions worldwide.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. Marine Corps unit
ⓘ
regimental combat team ⓘ |
| allegiance | United States of America ⓘ |
| branch | United States Marine Corps ⓘ |
| component |
Marine infantry battalions
ⓘ
artillery units ⓘ engineer units ⓘ headquarters element ⓘ logistics elements ⓘ reconnaissance elements ⓘ |
| composition | task-organized for specific operations ⓘ |
| conflict | Iraq War ⓘ |
| conflictType | counterinsurgency operations ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| doctrine | Marine Air-Ground Task Force principles ⓘ |
| era | Global War on Terrorism ⓘ |
| higherFormationType |
Marine Expeditionary Force
ⓘ
linked to:
Marine expeditionary force
|
| notableEngagement | Second Battle of Fallujah ⓘ |
| notableFor | urban combat in Fallujah ⓘ |
| primaryMission |
offensive combat operations
ⓘ
stability and security operations ⓘ |
| roleInSecondBattleOfFallujah | major combat role ⓘ |
| service | United States Marine Corps ⓘ |
| serviceBranchRole | expeditionary ground combat element ⓘ |
| serviceStatus | active during Iraq War ⓘ |
| size | reinforced Marine infantry regiment ⓘ |
| theaterOfOperations |
Al Anbar Province
ⓘ
linked to:
Al Anbar Governorate
Iraq ⓘ |
| type | combined arms formation ⓘ |
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: U.S. Marine Corps Regimental Combat Team 1 Description of subject: U.S. Marine Corps Regimental Combat Team 1 is a reinforced Marine infantry regiment-sized formation known for its major combat role in the Second Battle of Fallujah during the Iraq War.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.