Marine Corps Air Station El Toro
E714412
Marine Corps Air Station El Toro was a major former U.S. Marine Corps air base in Orange County, California, that played a key role in military aviation before its closure and redevelopment.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Marine Corps Air Station El Toro canonical | 2 |
| Marine Corps Air Station Santa Ana (informal early association) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8088066 — 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: Marine Corps Air Station El Toro Context triple: [Great Park Neighborhoods, developedAround, Marine Corps Air Station El Toro]
-
A.
Marine Corps Air Station Miramar
Marine Corps Air Station Miramar is a major United States Marine Corps aviation base in San Diego, California, best known as the former home of the Navy Fighter Weapons School made famous by the film "Top Gun."
-
B.
Naval Air Facility El Centro
Naval Air Facility El Centro is a United States Navy airfield in Southern California best known as a major training base, including winter training for the Blue Angels flight demonstration team.
-
C.
Naval Air Station San Diego
Naval Air Station San Diego is a major U.S. Navy aviation facility located on North Island in San Diego Bay, serving as a key base for naval aircraft operations and the birthplace of naval aviation.
-
D.
Naval Air Station Lemoore
Naval Air Station Lemoore is a major United States Navy jet air station in California that serves as the Navy’s primary West Coast master jet base.
-
E.
Los Angeles Air Force Base
Los Angeles Air Force Base is a U.S. Space Force installation in El Segundo, California, that serves as a major center for space acquisition, development, and operations.
- 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: Marine Corps Air Station El Toro Target entity description: Marine Corps Air Station El Toro was a major former U.S. Marine Corps air base in Orange County, California, that played a key role in military aviation before its closure and redevelopment.
-
A.
Marine Corps Air Station Miramar
Marine Corps Air Station Miramar is a major United States Marine Corps aviation base in San Diego, California, best known as the former home of the Navy Fighter Weapons School made famous by the film "Top Gun."
-
B.
Naval Air Facility El Centro
Naval Air Facility El Centro is a United States Navy airfield in Southern California best known as a major training base, including winter training for the Blue Angels flight demonstration team.
-
C.
Naval Air Station San Diego
Naval Air Station San Diego is a major U.S. Navy aviation facility located on North Island in San Diego Bay, serving as a key base for naval aircraft operations and the birthplace of naval aviation.
-
D.
Naval Air Station Lemoore
Naval Air Station Lemoore is a major United States Navy jet air station in California that serves as the Navy’s primary West Coast master jet base.
-
E.
Los Angeles Air Force Base
Los Angeles Air Force Base is a U.S. Space Force installation in El Segundo, California, that serves as a major center for space acquisition, development, and operations.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
former United States Marine Corps installation
ⓘ
military air base ⓘ |
| area | approximately 4,700 acres ⓘ |
| branch | United States Marine Corps ⓘ |
| closureReason |
Base Realignment and Closure program
ⓘ
linked to:
Base Realignment and Closure
|
| commissioned | 1943 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| decommissioned | 1999 ⓘ |
| elevation | approximately 380 feet ⓘ |
| environmentalIssue |
groundwater contamination
ⓘ
soil contamination ⓘ |
| environmentalRemediation | Superfund-related cleanup activities ⓘ |
| FAAcode | NZJ ⓘ |
| formerName |
Marine Corps Air Station Santa Ana (informal early association)
ⓘ
linked to:
Marine Corps Air Station El Toro
|
| garrison | 3rd Marine Aircraft Wing ⓘ |
| IATAcode | NZJ ⓘ |
| ICAOcode | KNZJ ⓘ |
| inception | 1943 ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Orange County, California ⓘ United States ⓘ
linked to:
United States of America
|
| namedAfter | El Toro, California ⓘ |
| near |
Irvine, California
ⓘ
linked to:
Irvine
Lake Forest, California ⓘ Tustin, California ⓘ |
| notableUnit |
3rd Marine Aircraft Wing
ⓘ
Marine Aircraft Group 11 ⓘ Marine Aircraft Group 16 ⓘ Marine Wing Support Group 37 ⓘ |
| operator | United States Marine Corps ⓘ |
| ownedBy |
United States Department of the Navy
ⓘ
linked to:
Department of the Navy
|
| partOf | Marine Corps Air Station system ⓘ |
| postClosureUse |
Orange County Great Park
ⓘ
mixed-use development ⓘ recreational facilities ⓘ |
| runwayCount | 4 ⓘ |
| significance |
major West Coast Marine Corps aviation hub
ⓘ
primary deployment base for Pacific operations ⓘ |
| startConstruction | 1942 ⓘ |
| status | closed ⓘ |
| usedDuring |
Cold War
ⓘ
Korean War ⓘ Vietnam War ⓘ World War II ⓘ |
| usedFor |
deployment staging
ⓘ
fighter aircraft operations ⓘ military aviation ⓘ training ⓘ transport aircraft operations ⓘ |
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: Marine Corps Air Station El Toro Description of subject: Marine Corps Air Station El Toro was a major former U.S. Marine Corps air base in Orange County, California, that played a key role in military aviation before its closure and redevelopment.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
Marine Corps Air Station El Toro
→
formerName
→
Marine Corps Air Station Santa Ana (informal early association)
ⓘ
linked to: Marine Corps Air Station El Toro