III Amphibious Corps
E373938
III Amphibious Corps was a major U.S. Marine Corps formation in World War II that led key Pacific amphibious assaults, including operations in the Mariana and Ryukyu Islands.
All labels observed (2)
| Label | Occurrences |
|---|---|
| III Amphibious Corps canonical | 3 |
| III Marine Amphibious Force | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3610059 — 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: III Amphibious Corps Context triple: [Invasion of Guam, involvesMilitaryUnit, III Amphibious Corps]
-
A.
V Amphibious Corps
V Amphibious Corps was a major U.S. Marine Corps amphibious assault formation in the Pacific Theater during World War II, known for leading operations such as the Battle of Iwo Jima.
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B.
VIII Corps
VIII Corps was a U.S. Army corps-level formation in World War II that fought in major European campaigns, including the Battle of the Bulge, under General George S. Patton’s overall command.
-
C.
U.S. VI Corps
The U.S. VI Corps was a major U.S. Army corps-level formation in World War II that played a key role in the Italian Campaign, including the Salerno landings and subsequent operations up the Italian peninsula.
-
D.
VII Corps
VII Corps was a major U.S. Army formation in World War II, best known for leading the American landings on the Cotentin Peninsula during the Normandy invasion and subsequent campaigns in Western Europe.
-
E.
III Corps
III Corps is a major U.S. Army tactical formation that has historically commanded multiple divisions in large-scale operations, including under General Patton’s Third Army in World War II.
- 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: III Amphibious Corps Target entity description: III Amphibious Corps was a major U.S. Marine Corps formation in World War II that led key Pacific amphibious assaults, including operations in the Mariana and Ryukyu Islands.
-
A.
V Amphibious Corps
V Amphibious Corps was a major U.S. Marine Corps amphibious assault formation in the Pacific Theater during World War II, known for leading operations such as the Battle of Iwo Jima.
-
B.
VIII Corps
VIII Corps was a U.S. Army corps-level formation in World War II that fought in major European campaigns, including the Battle of the Bulge, under General George S. Patton’s overall command.
-
C.
U.S. VI Corps
The U.S. VI Corps was a major U.S. Army corps-level formation in World War II that played a key role in the Italian Campaign, including the Salerno landings and subsequent operations up the Italian peninsula.
-
D.
VII Corps
VII Corps was a major U.S. Army formation in World War II, best known for leading the American landings on the Cotentin Peninsula during the Normandy invasion and subsequent campaigns in Western Europe.
-
E.
III Corps
III Corps is a major U.S. Army tactical formation that has historically commanded multiple divisions in large-scale operations, including under General Patton’s Third Army in World War II.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
United States Marine Corps formation
ⓘ
amphibious corps ⓘ |
| allegiance |
United States
ⓘ
linked to:
United States of America
|
| areaOfOperations |
Central Pacific
ⓘ
Western Pacific ⓘ
linked to:
western Pacific Ocean
|
| branchRole |
Marine air-ground task force
ⓘ
linked to:
Marine Air-Ground Task Forces
|
| commandLevel | corps ⓘ |
| composition |
corps-level support units
ⓘ
multiple Marine divisions ⓘ |
| conflict | World War II ⓘ |
| country | United States of America ⓘ |
| domain |
amphibious operations
ⓘ
land warfare ⓘ |
| era | World War II era ⓘ |
| forceType | combined arms formation ⓘ |
| historicalSignificance | key U.S. Marine Corps corps in Pacific island-hopping campaign ⓘ |
| militaryBranch | United States Marine Corps ⓘ |
| militaryBranchRole | Marine expeditionary corps in Pacific campaigns ⓘ |
| notableBattle |
Battle of Guam (1944)
ⓘ
Battle of Okinawa ⓘ Battle of Tinian ⓘ
linked to:
Invasion of Tinian
|
| notableFor |
coordination of naval, air, and ground forces
ⓘ
large-scale amphibious landings under fire ⓘ |
| notableOperation |
Mariana Islands campaign
ⓘ
linked to:
Marianas campaign
Ryukyu Islands campaign ⓘ |
| operationType |
amphibious warfare
ⓘ
expeditionary warfare ⓘ |
| participatedIn |
Mariana and Palau Islands campaign
ⓘ
Okinawa campaign ⓘ
linked to:
Battle of Okinawa
|
| primaryOpponents |
Imperial Japanese forces
ⓘ
linked to:
Armed Forces of the Empire of Japan
|
| role |
conducting amphibious assaults
ⓘ
seizing and securing island objectives ⓘ |
| service | United States Marine Corps ⓘ |
| strategicObjective | capture of strategic islands in the Pacific ⓘ |
| supportedBy |
United States Army Air Forces
ⓘ
United States Navy ⓘ |
| theater |
Pacific Theater
ⓘ
linked to:
Pacific Theater of Operations
|
| timePeriod | 1940s ⓘ |
| type | corps-level 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: III Amphibious Corps Description of subject: III Amphibious Corps was a major U.S. Marine Corps formation in World War II that led key Pacific amphibious assaults, including operations in the Mariana and Ryukyu Islands.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: III Amphibious Corps