North Field
E186626
North Field is a historic World War II airfield on the island of Tinian in the Northern Mariana Islands, best known as the base from which the atomic bomb missions against Hiroshima and Nagasaki were launched.
All labels observed (1)
| Label | Occurrences |
|---|---|
| North Field canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T1643117 — 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: North Field Context triple: [Tinian, hasFormerName, North Field]
-
A.
Belridge Oil Field
Belridge Oil Field is one of California’s largest and most productive oil fields, located in the San Joaquin Valley and known for its extensive heavy oil and enhanced recovery operations.
-
B.
East Sands
East Sands is a popular sandy beach in St Andrews, Scotland, known for its scenic views, coastal walks, and water sports.
-
C.
Newfield
Newfield is a small rural town in Tompkins County, New York, known for its scenic landscapes and historic covered bridge.
-
D.
Strathearn
Strathearn is a scenic valley region in central Scotland, known for its rural landscapes, historic towns, and the River Earn running through it.
-
E.
Midway-Sunset Oil Field
Midway-Sunset Oil Field is one of California’s largest and oldest producing oil fields, located in the southern San Joaquin Valley.
- 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: North Field Target entity description: North Field is a historic World War II airfield on the island of Tinian in the Northern Mariana Islands, best known as the base from which the atomic bomb missions against Hiroshima and Nagasaki were launched.
-
A.
Belridge Oil Field
Belridge Oil Field is one of California’s largest and most productive oil fields, located in the San Joaquin Valley and known for its extensive heavy oil and enhanced recovery operations.
-
B.
East Sands
East Sands is a popular sandy beach in St Andrews, Scotland, known for its scenic views, coastal walks, and water sports.
-
C.
Newfield
Newfield is a small rural town in Tompkins County, New York, known for its scenic landscapes and historic covered bridge.
-
D.
Strathearn
Strathearn is a scenic valley region in central Scotland, known for its rural landscapes, historic towns, and the River Earn running through it.
-
E.
Midway-Sunset Oil Field
Midway-Sunset Oil Field is one of California’s largest and oldest producing oil fields, located in the southern San Joaquin Valley.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
World War II airfield
ⓘ
military air base ⓘ |
| associatedWithEvent |
atomic bombing of Hiroshima
ⓘ
atomic bombing of Nagasaki ⓘ |
| basedAircraft | B-29 Superfortress ⓘ |
| basedUnit |
313th Bombardment Wing
ⓘ
509th Composite Group ⓘ |
| builtFor | very long range bomber operations ⓘ |
| constructedBy |
United States Navy Seabees
ⓘ
linked to:
Seabees
|
| constructionStartDate | 1944 ⓘ |
| controlledBy |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| distanceTo | approximately 1500 miles from Japan ⓘ |
| era | 1940s ⓘ |
| garrison | United States Army Air Forces personnel ⓘ |
| hasAlternateName | North Field, Tinian ⓘ |
| hasHeritageTourism | World War II historical tours ⓘ |
| hasInfrastructureType | long runways for heavy bombers ⓘ |
| hasRemains |
hardstands
ⓘ
runway remnants ⓘ taxiways ⓘ |
| hasRunway |
Runway A
ⓘ
Runway B ⓘ
linked to:
Runway A
Runway C ⓘ Runway D ⓘ |
| historicalDesignation | historic World War II site ⓘ |
| isOnIsland |
Tinian Island
ⓘ
linked to:
Tinian
|
| launchSiteOf |
Bockscar Nagasaki mission
ⓘ
Enola Gay Hiroshima mission ⓘ
linked to:
Enola Gay
|
| locatedIn |
Northern Mariana Islands
ⓘ
Pacific Ocean ⓘ Tinian ⓘ |
| near | San Jose village, Tinian ⓘ |
| notableAircraft |
Bockscar
ⓘ
Enola Gay ⓘ |
| notableFor | atomic bomb missions against Hiroshima and Nagasaki ⓘ |
| notableStructure | atomic bomb loading pits ⓘ |
| operatedBy |
509th Composite Group
ⓘ
Twentieth Air Force ⓘ United States Army Air Forces ⓘ |
| partOf | Mariana Islands campaign logistics ⓘ |
| primaryUse | B-29 Superfortress operations ⓘ |
| region | Micronesia ⓘ |
| runwayCount | 4 ⓘ |
| status | disused airfield ⓘ |
| theaterOfOperations |
Pacific Theater of World War II
ⓘ
linked to:
Pacific Theater of Operations
|
| usedDuring | World War II ⓘ |
| usedFor | strategic bombing of Japan ⓘ |
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: North Field Description of subject: North Field is a historic World War II airfield on the island of Tinian in the Northern Mariana Islands, best known as the base from which the atomic bomb missions against Hiroshima and Nagasaki were launched.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.