1st Cavalry Division (Airmobile)
E162994
The 1st Cavalry Division (Airmobile) was a pioneering U.S. Army division that introduced large-scale helicopter-borne air mobility tactics during the Vietnam War.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T1351646 — 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: 1st Cavalry Division (Airmobile) Context triple: [Battle of Ia Drang, militaryUnit, 1st Cavalry Division (Airmobile)]
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A.
U.S. 101st Airborne Division
The U.S. 101st Airborne Division is a renowned American airborne and air assault division, famous for its pivotal World War II combat operations in Europe and later high-profile deployments in conflicts such as Vietnam, the Gulf War, Iraq, and Afghanistan.
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B.
3rd Infantry Division
The 3rd Infantry Division is a major U.S. Army combat formation renowned for its distinguished service in multiple conflicts, including both World Wars, the Korean War, and the Iraq War.
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C.
3rd Infantry Division
The 3rd Infantry Division is a historic British Army formation renowned for its front-line service in major conflicts including both World Wars and beyond.
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D.
11th Armored Cavalry Regiment
The 11th Armored Cavalry Regiment is a historic U.S. Army armored unit best known for its reconnaissance and cavalry operations, including service in Vietnam and the Cold War, and for its current role as the primary opposing force at the National Training Center.
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E.
U.S. 82nd Airborne Division
The U.S. 82nd Airborne Division is an elite U.S. Army airborne infantry division renowned for its parachute assault operations in major conflicts from World War II to the present.
- 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: 1st Cavalry Division (Airmobile) Target entity description: The 1st Cavalry Division (Airmobile) was a pioneering U.S. Army division that introduced large-scale helicopter-borne air mobility tactics during the Vietnam War.
-
A.
U.S. 101st Airborne Division
The U.S. 101st Airborne Division is a renowned American airborne and air assault division, famous for its pivotal World War II combat operations in Europe and later high-profile deployments in conflicts such as Vietnam, the Gulf War, Iraq, and Afghanistan.
-
B.
3rd Infantry Division
The 3rd Infantry Division is a major U.S. Army combat formation renowned for its distinguished service in multiple conflicts, including both World Wars, the Korean War, and the Iraq War.
-
C.
3rd Infantry Division
The 3rd Infantry Division is a historic British Army formation renowned for its front-line service in major conflicts including both World Wars and beyond.
-
D.
11th Armored Cavalry Regiment
The 11th Armored Cavalry Regiment is a historic U.S. Army armored unit best known for its reconnaissance and cavalry operations, including service in Vietnam and the Cold War, and for its current role as the primary opposing force at the National Training Center.
-
E.
U.S. 82nd Airborne Division
The U.S. 82nd Airborne Division is an elite U.S. Army airborne infantry division renowned for its parachute assault operations in major conflicts from World War II to the present.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. Army division
ⓘ
airmobile division ⓘ |
| activationDate | 1965 ⓘ |
| allegiance |
United States of America
ⓘ
surface form:
United States
|
| associatedCommander |
William Westmoreland
ⓘ
surface form:
General William C. Westmoreland
Lieutenant General Hal Moore ⓘ
surface form:
Lieutenant General Harold G. Moore
|
| branch | United States Army ⓘ |
| component |
artillery units
ⓘ
aviation units ⓘ infantry brigades ⓘ support units ⓘ |
| conflict | Vietnam War ⓘ |
| country | United States of America ⓘ |
| doctrinalInfluenceOn | later U.S. Army air assault divisions ⓘ |
| doctrine | airmobile warfare ⓘ |
| engagement |
Battle of Ia Drang
ⓘ
U.S. invasion of Cambodia (1970) ⓘ
surface form:
Cambodian Incursion
Operation Crazy Horse ⓘ Operation Masher ⓘ Tet Offensive ⓘ |
| era | Cold War ⓘ |
| followedBy |
1st Cavalry Division (Airmobile)
self-linksurface differs
ⓘ
surface form:
1st Cavalry Division
|
| formedFrom |
1st Cavalry Division (Airmobile)
self-linksurface differs
ⓘ
surface form:
1st Cavalry Division
|
| garrisonDuringVietnamWar |
An Khe, South Vietnam
ⓘ
Phuoc Vinh, South Vietnam ⓘ |
| higherCommandDuringVietnamWar |
United States Army ground forces in Vietnam
ⓘ
surface form:
U.S. Army, Vietnam
|
| innovation | integration of helicopters at division level for maneuver and logistics ⓘ |
| insignia | yellow triangular shoulder sleeve insignia with black diagonal stripe and horse head ⓘ |
| motto | First Team ⓘ |
| nickname | 1st Cav ⓘ |
| notableFor |
first full airmobile division in the U.S. Army
ⓘ
pioneering large-scale helicopter-borne air mobility tactics ⓘ |
| notablePublicationDepicting | We Were Soldiers Once... and Young ⓘ |
| parentFormationType | combined arms division ⓘ |
| partOf |
United States Army
ⓘ
surface form:
United States Army Forces
|
| precededBy |
1st Cavalry Division (Airmobile)
self-linksurface differs
ⓘ
surface form:
1st Cavalry Division
|
| primaryAttackHelicopter | AH-1 Cobra ⓘ |
| primaryMission | rapid deployment of infantry by helicopter ⓘ |
| primaryOpponents |
People's Army of Vietnam
ⓘ
Viet Cong ⓘ |
| primaryTransport |
Bell UH-1 Iroquois
ⓘ
surface form:
UH-1 Iroquois helicopter
|
| role |
air assault
ⓘ
airmobile infantry ⓘ |
| size | division ⓘ |
| statusAfterVietnamWar | reorganized as 1st Cavalry Division ⓘ |
| theaterOfOperations | South Vietnam ⓘ |
| type | airmobile infantry division ⓘ |
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: 1st Cavalry Division (Airmobile) Description of subject: The 1st Cavalry Division (Airmobile) was a pioneering U.S. Army division that introduced large-scale helicopter-borne air mobility tactics during the Vietnam War.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
1st Cavalry Division
this entity surface form:
U.S. Army 1st Cavalry Division elements
this entity surface form:
1st Cavalry Division
subject surface form:
Fort Ord
this entity surface form:
1st Cavalry Division (United States)
this entity surface form:
US 1st Cavalry Division
this entity surface form:
U.S. 1st Cavalry Division
subject surface form:
Hal Moore
this entity surface form:
1st Cavalry Division
this entity surface form:
1st Cavalry Division
this entity surface form:
1st Cavalry Division (Airmobile), United States Army
this entity surface form:
1st Cavalry Division
this entity surface form:
U.S. Army 1st Cavalry Division
1st Cavalry Division (Airmobile)
→
precededBy
→
1st Cavalry Division (Airmobile)
self-linksurface differs
ⓘ
this entity surface form:
1st Cavalry Division
1st Cavalry Division (Airmobile)
→
followedBy
→
1st Cavalry Division (Airmobile)
self-linksurface differs
ⓘ
this entity surface form:
1st Cavalry Division
1st Cavalry Division (Airmobile)
→
formedFrom
→
1st Cavalry Division (Airmobile)
self-linksurface differs
ⓘ
this entity surface form:
1st Cavalry Division
this entity surface form:
1st Cavalry Division (United States)
this entity surface form:
1st Cavalry Division (United States)
this entity surface form:
U.S. 1st Cavalry Division