Mather Air Force Base
E938375
Mather Air Force Base was a former United States Air Force installation in California that served primarily as a training base for pilots and navigators before its closure and conversion to civilian use.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mather Air Force Base canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11626524 — 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: Mather Air Force Base Context triple: [Mather Airport, locatedOnSiteOf, Mather Air Force Base]
-
A.
Pease Air National Guard Base
Pease Air National Guard Base is a military installation in New Hampshire that serves as a key facility for the Air National Guard and air refueling operations.
-
B.
Otis Air Force Base
Otis Air Force Base is a former U.S. military installation on Cape Cod in Massachusetts that served as a key Air Force and Air National Guard facility during much of the 20th century.
-
C.
Andrews Air Force Base
Andrews Air Force Base is a major U.S. military installation in Maryland best known as the home base for Air Force One and other aircraft supporting the President and senior government officials.
-
D.
Hickam Air Force Base
Hickam Air Force Base is a major U.S. Air Force installation in Hawaii that now forms the Air Force component of Joint Base Pearl Harbor–Hickam, supporting Pacific air operations and strategic missions.
-
E.
Loring Air Force Base
Loring Air Force Base was a major former U.S. Air Force installation and Strategic Air Command base in northern Maine that played a key role in Cold War defense 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: Mather Air Force Base Target entity description: Mather Air Force Base was a former United States Air Force installation in California that served primarily as a training base for pilots and navigators before its closure and conversion to civilian use.
-
A.
Pease Air National Guard Base
Pease Air National Guard Base is a military installation in New Hampshire that serves as a key facility for the Air National Guard and air refueling operations.
-
B.
Otis Air Force Base
Otis Air Force Base is a former U.S. military installation on Cape Cod in Massachusetts that served as a key Air Force and Air National Guard facility during much of the 20th century.
-
C.
Andrews Air Force Base
Andrews Air Force Base is a major U.S. military installation in Maryland best known as the home base for Air Force One and other aircraft supporting the President and senior government officials.
-
D.
Hickam Air Force Base
Hickam Air Force Base is a major U.S. Air Force installation in Hawaii that now forms the Air Force component of Joint Base Pearl Harbor–Hickam, supporting Pacific air operations and strategic missions.
-
E.
Loring Air Force Base
Loring Air Force Base was a major former U.S. Air Force installation and Strategic Air Command base in northern Maine that played a key role in Cold War defense operations.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
United States Air Force base
ⓘ
military installation ⓘ |
| branch |
United States Air Force
ⓘ
United States Army Air Corps NERFINISHED ⓘ United States Army Air Forces NERFINISHED ⓘ United States Army Air Service NERFINISHED ⓘ |
| closureProgram | Base Realignment and Closure NERFINISHED ⓘ |
| contains | Mather Airport NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| elevation | 98 feet ⓘ |
| endDate | 1993 ⓘ |
| FAAIdentifier | MHR NERFINISHED ⓘ |
| formerlyKnownAs |
Mather Field
NERFINISHED
ⓘ
Mills Field NERFINISHED ⓘ |
| garrison |
320th Bombardment Wing
NERFINISHED
ⓘ
323d Flying Training Wing NERFINISHED ⓘ 3535th Navigator Training Wing NERFINISHED ⓘ 4134th Strategic Wing NERFINISHED ⓘ |
| hasRole |
bomber base
ⓘ
training base ⓘ |
| IATACode | MHR NERFINISHED ⓘ |
| ICAOCode | KMHR NERFINISHED ⓘ |
| locatedNear | Sacramento NERFINISHED ⓘ |
| location |
California, United States
ⓘ
surface form:
California
Sacramento County, California NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| namedAfter | William G. Mather NERFINISHED ⓘ |
| operator | United States Air Force ⓘ |
| partOf |
Air Training Command
NERFINISHED
ⓘ
Strategic Air Command NERFINISHED ⓘ United States Army Air Forces NERFINISHED ⓘ |
| postClosureUse |
Sacramento Mather Airport
NERFINISHED
ⓘ
business park ⓘ civil aviation airport ⓘ regional parkland ⓘ residential development ⓘ |
| region | Sacramento Valley NERFINISHED ⓘ |
| runwaySurface | concrete ⓘ |
| startDate | 1918 ⓘ |
| timezone | Pacific Time Zone ⓘ |
| usedDuring |
Cold War
ⓘ
World War I ⓘ World War II ⓘ |
| usedFor |
bombardier training
ⓘ
navigator training ⓘ pilot training ⓘ undergraduate navigator training ⓘ undergraduate pilot training ⓘ |
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: Mather Air Force Base Description of subject: Mather Air Force Base was a former United States Air Force installation in California that served primarily as a training base for pilots and navigators before its closure and conversion to civilian use.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.