509th Composite Group
E70653
The 509th Composite Group was the U.S. Army Air Forces unit specially formed during World War II to conduct atomic bomb missions, including the deployment of the "Fat Man" bomb over Nagasaki.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T560678 — 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: 509th Composite Group Context triple: [Fat Man, operator, 509th Composite Group]
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A.
Ninth Air Force
Ninth Air Force was a major tactical air force of the United States Army Air Forces in World War II, best known for its close air support and air-ground operations in the European Theater, particularly during and after the D-Day invasion.
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B.
Fifteenth Air Force
The Fifteenth Air Force was a major United States Army Air Forces strategic bombing formation in World War II, operating primarily from bases in Italy to strike industrial and military targets across Germany and occupied Europe.
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C.
1st Wing
The 1st Wing is a major operational unit of the Belgian Air Force historically associated with fighter and training aircraft operations.
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D.
Eleventh Air Force
The Eleventh Air Force is a numbered air force of the United States Air Force responsible for air operations and defense in the Alaska and North Pacific region.
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E.
Twelfth Air Force
Twelfth Air Force is a numbered air force of the United States that played a major role in Allied air operations in the Mediterranean Theater during World War II and later served in various tactical and training capacities.
- 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: 509th Composite Group Target entity description: The 509th Composite Group was the U.S. Army Air Forces unit specially formed during World War II to conduct atomic bomb missions, including the deployment of the "Fat Man" bomb over Nagasaki.
-
A.
Ninth Air Force
Ninth Air Force was a major tactical air force of the United States Army Air Forces in World War II, best known for its close air support and air-ground operations in the European Theater, particularly during and after the D-Day invasion.
-
B.
Fifteenth Air Force
The Fifteenth Air Force was a major United States Army Air Forces strategic bombing formation in World War II, operating primarily from bases in Italy to strike industrial and military targets across Germany and occupied Europe.
-
C.
1st Wing
The 1st Wing is a major operational unit of the Belgian Air Force historically associated with fighter and training aircraft operations.
-
D.
Eleventh Air Force
The Eleventh Air Force is a numbered air force of the United States Air Force responsible for air operations and defense in the Alaska and North Pacific region.
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E.
Twelfth Air Force
Twelfth Air Force is a numbered air force of the United States that played a major role in Allied air operations in the Mediterranean Theater during World War II and later served in various tactical and training capacities.
- F. None of above. chosen
Statements (46)
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: 509th Composite Group Description of subject: The 509th Composite Group was the U.S. Army Air Forces unit specially formed during World War II to conduct atomic bomb missions, including the deployment of the "Fat Man" bomb over Nagasaki.
Referenced by (53)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 509th Composite Group
linked to: 509th Composite Group
linked to: 509th Composite Group
subject linked to:
navigator: Theodore Van Kirk
subject linked to:
navigator: Theodore Van Kirk
subject linked to:
bombardier: Thomas Ferebee
subject linked to:
Captain Frederick C. Bock
subject linked to:
Wendover Army Air Field, Utah
linked to: 509th Composite Group
linked to: 509th Composite Group
subject linked to:
copilot Robert A. Lewis
linked to: 509th Composite Group