Circle R
E75417
Circle R was the distinctive tail marking used by the U.S. Army Air Forces to identify the 509th Composite Group’s B-29 bombers, including the Enola Gay, during World War II.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Circle R canonical | 1 |
| Circle R (6th Bombardment Group marking) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T602389 — 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: Circle R Context triple: [Enola Gay, tailCode, Circle R]
-
A.
Rogers
Rogers is a common English-language surname borne by numerous notable individuals across fields such as science, politics, entertainment, and sports.
-
B.
RLC
RLC is the Royal Logistic Corps, a branch of the British Army responsible for providing logistics support including supply, transport, and distribution.
-
C.
RGC
RGC was the stock ticker symbol for Regal Entertainment Group, a major American movie theater chain operator.
-
D.
RAN
RAN is the 3GPP working group responsible for specifying the radio access network technologies used in mobile communication systems such as LTE and 5G.
-
E.
Crescent
Crescent is a long-distance Amtrak passenger train that runs between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
- 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: Circle R Target entity description: Circle R was the distinctive tail marking used by the U.S. Army Air Forces to identify the 509th Composite Group’s B-29 bombers, including the Enola Gay, during World War II.
-
A.
Rogers
Rogers is a common English-language surname borne by numerous notable individuals across fields such as science, politics, entertainment, and sports.
-
B.
RLC
RLC is the Royal Logistic Corps, a branch of the British Army responsible for providing logistics support including supply, transport, and distribution.
-
C.
RGC
RGC was the stock ticker symbol for Regal Entertainment Group, a major American movie theater chain operator.
-
D.
RAN
RAN is the 3GPP working group responsible for specifying the radio access network technologies used in mobile communication systems such as LTE and 5G.
-
E.
Crescent
Crescent is a long-distance Amtrak passenger train that runs between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft tail marking
ⓘ
military insignia ⓘ |
| appliedToLocationOnVehicle |
tail fin
ⓘ
vertical stabilizer ⓘ |
| associatedWithOperation | atomic bombing of Hiroshima ⓘ |
| associatedWithUnit | 509th Composite Group B-29 fleet ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| militaryBranch | United States Army Air Forces ⓘ |
| notableAircraftBearingMarking |
Bockscar
ⓘ
Enola Gay ⓘ |
| partOf | USAAF aircraft marking system ⓘ |
| relatedTo |
509th Composite Group
ⓘ
B-29 Superfortress ⓘ Bockscar ⓘ Enola Gay ⓘ |
| timePeriod | 1945 ⓘ |
| usedBy |
509th Composite Group
ⓘ
United States Army Air Forces ⓘ |
| usedDuringConflict | World War II ⓘ |
| usedFor |
aircraft recognition
ⓘ
operational security ⓘ unit identification ⓘ |
| usedInTheater |
Pacific War
ⓘ
surface form:
Pacific Theater
|
| usedOn |
B-29 Superfortress
ⓘ
surface form:
B-29 Superfortress bombers
Enola Gay ⓘ |
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: Circle R Description of subject: Circle R was the distinctive tail marking used by the U.S. Army Air Forces to identify the 509th Composite Group’s B-29 bombers, including the Enola Gay, during World War II.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.