V Amphibious Corps
E101635
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.
All labels observed (5)
| Label | Occurrences |
|---|---|
| V Amphibious Corps canonical | 5 |
| U.S. V Amphibious Corps | 2 |
| US V Amphibious Corps | 1 |
| V Amphibious Corps (at Iwo Jima) | 1 |
| V Amphibious Corps (through 5th Marine Division) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T843918 — 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: V Amphibious Corps Context triple: [5th Marine Division, higherCommand, V Amphibious Corps]
-
A.
Fleet Marine Force
The Fleet Marine Force is the United States Marine Corps’ operational land combat component, providing forward-deployed, rapidly deployable Marine air-ground task forces in support of U.S. naval and joint operations worldwide.
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B.
2nd Marine Division
The 2nd Marine Division is a major U.S. Marine Corps infantry division renowned for its pivotal amphibious assaults and ground combat operations in the Pacific Theater during World War II and subsequent conflicts.
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C.
5th Marine Division
The 5th Marine Division was a United States Marine Corps infantry division formed during World War II, best known for its pivotal combat role in the Pacific Theater, especially at Iwo Jima.
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D.
U.S. Seventh Army
The U.S. Seventh Army is a major United States Army formation that played a key role in the European Theater of World War II, particularly in the Allied invasion and liberation of Southern France and subsequent campaigns in Western Europe.
-
E.
3rd Marine Division
The 3rd Marine Division is a United States Marine Corps infantry division renowned for its pivotal combat role in the Pacific Theater during World War II and its continued service in subsequent 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: V Amphibious Corps Target entity description: 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.
-
A.
Fleet Marine Force
The Fleet Marine Force is the United States Marine Corps’ operational land combat component, providing forward-deployed, rapidly deployable Marine air-ground task forces in support of U.S. naval and joint operations worldwide.
-
B.
2nd Marine Division
The 2nd Marine Division is a major U.S. Marine Corps infantry division renowned for its pivotal amphibious assaults and ground combat operations in the Pacific Theater during World War II and subsequent conflicts.
-
C.
5th Marine Division
The 5th Marine Division was a United States Marine Corps infantry division formed during World War II, best known for its pivotal combat role in the Pacific Theater, especially at Iwo Jima.
-
D.
U.S. Seventh Army
The U.S. Seventh Army is a major United States Army formation that played a key role in the European Theater of World War II, particularly in the Allied invasion and liberation of Southern France and subsequent campaigns in Western Europe.
-
E.
3rd Marine Division
The 3rd Marine Division is a United States Marine Corps infantry division renowned for its pivotal combat role in the Pacific Theater during World War II and its continued service in subsequent conflicts.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
United States Marine Corps formation
ⓘ
amphibious corps ⓘ military unit ⓘ |
| activityPeriod |
World War II
ⓘ
surface form:
World War II era
|
| allegiance | United States of America ⓘ |
| branch | United States Marine Corps ⓘ |
| composition |
Marine infantry divisions
ⓘ
corps-level support units ⓘ |
| conflict | World War II ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| era | 20th century ⓘ |
| higherCommand |
U.S. Pacific Fleet
ⓘ
surface form:
United States Pacific Fleet (operational control)
|
| notableBattle |
Battle of Iwo Jima
ⓘ
Battle of Saipan ⓘ Invasion of Tinian ⓘ
surface form:
Battle of Tinian
Battle of the Marshall Islands ⓘ |
| notableCommander |
Harry Schmidt
ⓘ
Holland M. Smith ⓘ |
| notableFor | leading the amphibious assault on Iwo Jima ⓘ |
| operation |
assault landing on Iwo Jima
ⓘ
assault landings in the Marianas ⓘ assault landings in the Marshalls ⓘ |
| partOf |
Fleet Marine Force
ⓘ
surface form:
Fleet Marine Force, Pacific
|
| primaryMission | plan and execute large-scale amphibious assaults ⓘ |
| role | amphibious assault operations ⓘ |
| service | United States Marine Corps ⓘ |
| serviceBranchRole | Marine expeditionary corps-level headquarters ⓘ |
| specialization |
amphibious warfare
ⓘ
expeditionary warfare ⓘ |
| theater |
Pacific Theater of Operations
ⓘ
surface form:
Pacific Theater
|
| type | amphibious corps ⓘ |
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: V Amphibious Corps Description of subject: 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.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
U.S. V Amphibious Corps
this entity surface form:
V Amphibious Corps (at Iwo Jima)
this entity surface form:
V Amphibious Corps (through 5th Marine Division)
this entity surface form:
US V Amphibious Corps
subject surface form:
Holland M. Smith
this entity surface form:
U.S. V Amphibious Corps