2nd Battalion, 9th Infantry Regiment
E542569
The 2nd Battalion, 9th Infantry Regiment is a battalion-sized unit of the United States Army with a history of service in multiple major conflicts as part of the 9th Infantry Regiment.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 2nd Battalion, 9th Infantry Regiment canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5668844 — 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 Battalion, 9th Infantry Regiment Context triple: [U.S. 9th Infantry Regiment, hasSubunit, 2nd Battalion, 9th Infantry Regiment]
-
A.
2nd Battalion, 23rd Infantry Regiment
The 2nd Battalion, 23rd Infantry Regiment is a U.S. Army infantry battalion that serves as a maneuver element within the 23rd Infantry Regiment, participating in combat and training operations as part of larger brigade and division formations.
-
B.
2nd Battalion, 121st Infantry Regiment
The 2nd Battalion, 121st Infantry Regiment is a U.S. Army National Guard infantry battalion from Georgia that provides trained combat forces for state and federal missions.
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C.
9th Armored Infantry Battalion
The 9th Armored Infantry Battalion was a U.S. Army mechanized infantry unit that served as part of the 6th Armored Division during World War II.
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D.
U.S. 9th Infantry Regiment
The U.S. 9th Infantry Regiment is a historic U.S. Army infantry unit with a distinguished combat record in multiple major conflicts, including the Korean War.
-
E.
3rd Battalion, 23rd Infantry Regiment
The 3rd Battalion, 23rd Infantry Regiment is a battalion-sized unit of the United States Army’s 23rd Infantry Regiment, historically involved in major American military operations as part of a larger infantry formation.
- 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 Battalion, 9th Infantry Regiment Target entity description: The 2nd Battalion, 9th Infantry Regiment is a battalion-sized unit of the United States Army with a history of service in multiple major conflicts as part of the 9th Infantry Regiment.
-
A.
2nd Battalion, 23rd Infantry Regiment
The 2nd Battalion, 23rd Infantry Regiment is a U.S. Army infantry battalion that serves as a maneuver element within the 23rd Infantry Regiment, participating in combat and training operations as part of larger brigade and division formations.
-
B.
2nd Battalion, 121st Infantry Regiment
The 2nd Battalion, 121st Infantry Regiment is a U.S. Army National Guard infantry battalion from Georgia that provides trained combat forces for state and federal missions.
-
C.
9th Armored Infantry Battalion
The 9th Armored Infantry Battalion was a U.S. Army mechanized infantry unit that served as part of the 6th Armored Division during World War II.
-
D.
U.S. 9th Infantry Regiment
The U.S. 9th Infantry Regiment is a historic U.S. Army infantry unit with a distinguished combat record in multiple major conflicts, including the Korean War.
-
E.
3rd Battalion, 23rd Infantry Regiment
The 3rd Battalion, 23rd Infantry Regiment is a battalion-sized unit of the United States Army’s 23rd Infantry Regiment, historically involved in major American military operations as part of a larger infantry formation.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army unit
ⓘ
infantry battalion ⓘ |
| allegiance |
United States
ⓘ
linked to:
United States of America
|
| associatedWith |
9th Infantry Regiment
ⓘ
linked to:
U.S. 9th Infantry Regiment
|
| branch | United States Army ⓘ |
| campaign |
Korean War – multiple campaigns
ⓘ
Vietnam War – multiple campaigns ⓘ World War II – Pacific Theater ⓘ
linked to:
Pacific War
|
| conflict |
Global War on Terrorism
ⓘ
Iraq War ⓘ Korean War ⓘ Vietnam War ⓘ War in Afghanistan ⓘ
linked to:
War in Afghanistan (2001–2021)
World War II ⓘ |
| country | United States of America ⓘ |
| decorations | multiple unit citations ⓘ |
| garrison |
various locations in South Korea
ⓘ
various locations in the United States ⓘ |
| higherFormation |
1st Cavalry Division
ⓘ
linked to:
1st Cavalry Division (Airmobile)
25th Infantry Division ⓘ 2nd Infantry Division ⓘ |
| militaryRole | infantry ⓘ |
| motto | Keep Up the Fire ⓘ |
| nickname |
Manchus
ⓘ
linked to:
Manchu
|
| notableTheater |
Korean Peninsula
ⓘ
Middle East ⓘ Pacific Theater of Operations ⓘ Southeast Asia ⓘ |
| parentOrganization |
United States Army Infantry Branch
ⓘ
linked to:
Infantry Branch
|
| partOf |
9th Infantry Regiment
ⓘ
linked to:
U.S. 9th Infantry Regiment
|
| service | active duty ⓘ |
| serviceBranch |
U.S. Army infantry
ⓘ
linked to:
Infantry Branch
|
| size | battalion ⓘ |
| type | line infantry ⓘ |
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 Battalion, 9th Infantry Regiment Description of subject: The 2nd Battalion, 9th Infantry Regiment is a battalion-sized unit of the United States Army with a history of service in multiple major conflicts as part of the 9th Infantry Regiment.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.