No. 21 Squadron RAF
E681361
No. 21 Squadron RAF was a Royal Air Force bomber unit with a long service history, particularly noted for its daring low-level precision raids during the Second World War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| No. 21 Squadron RAF canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6940642 — 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: No. 21 Squadron RAF Context triple: [Operation Jericho, conductedBy, No. 21 Squadron RAF]
-
A.
No. 210 Squadron RAF
No. 210 Squadron RAF was a Royal Air Force maritime patrol and flying boat squadron that served prominently in reconnaissance and anti-submarine roles, particularly during the Second World War.
-
B.
No. 22 Squadron RAF
No. 22 Squadron RAF is a Royal Air Force unit historically known for its search and rescue and helicopter operations within the UK.
-
C.
No. 201 Squadron RAF
No. 201 Squadron RAF is a Royal Air Force unit historically known for its maritime patrol and anti-submarine warfare roles.
-
D.
No. 2 Squadron RAF
No. 2 Squadron RAF is one of the Royal Air Force’s oldest frontline units, historically renowned for its tactical reconnaissance and ground-attack roles.
-
E.
No. 19 Squadron RAF
No. 19 Squadron RAF is a Royal Air Force fighter unit with a long history, notably operating advanced jet aircraft such as the McDonnell Douglas Phantom FGR.2 during the Cold War.
- 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: No. 21 Squadron RAF Target entity description: No. 21 Squadron RAF was a Royal Air Force bomber unit with a long service history, particularly noted for its daring low-level precision raids during the Second World War.
-
A.
No. 210 Squadron RAF
No. 210 Squadron RAF was a Royal Air Force maritime patrol and flying boat squadron that served prominently in reconnaissance and anti-submarine roles, particularly during the Second World War.
-
B.
No. 22 Squadron RAF
No. 22 Squadron RAF is a Royal Air Force unit historically known for its search and rescue and helicopter operations within the UK.
-
C.
No. 201 Squadron RAF
No. 201 Squadron RAF is a Royal Air Force unit historically known for its maritime patrol and anti-submarine warfare roles.
-
D.
No. 2 Squadron RAF
No. 2 Squadron RAF is one of the Royal Air Force’s oldest frontline units, historically renowned for its tactical reconnaissance and ground-attack roles.
-
E.
No. 19 Squadron RAF
No. 19 Squadron RAF is a Royal Air Force fighter unit with a long history, notably operating advanced jet aircraft such as the McDonnell Douglas Phantom FGR.2 during the Cold War.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | Royal Air Force squadron ⓘ |
| aircraftOperated |
Blackburn Buccaneer
NERFINISHED
ⓘ
Bristol Blenheim NERFINISHED ⓘ Douglas Boston NERFINISHED ⓘ English Electric Canberra NERFINISHED ⓘ Panavia Tornado NERFINISHED ⓘ Royal Aircraft Factory R.E.7 NERFINISHED ⓘ Royal Aircraft Factory R.E.8 NERFINISHED ⓘ de Havilland Mosquito NERFINISHED ⓘ |
| allegiance | British Crown NERFINISHED ⓘ |
| alliance | RAF Second Tactical Air Force NERFINISHED ⓘ |
| associatedWith |
RAF Bomber Command offensive against Germany
ⓘ
RAF low-level attack doctrine in World War II ⓘ |
| branch | Royal Air Force NERFINISHED ⓘ |
| conflict |
Cold War
ⓘ
World War I ⓘ
surface form:
First World War
World War II ⓘ
surface form:
Second World War
|
| country | United Kingdom ⓘ |
| doctrine |
strategic support bombing
ⓘ
tactical bombing ⓘ |
| equipmentRole |
strike aircraft
ⓘ
tactical bomber ⓘ |
| formationType | bomber unit ⓘ |
| garrisonType | RAF station-based unit ⓘ |
| historicalStatus | disbanded unit of the Royal Air Force ⓘ |
| militaryBranchType | air force unit ⓘ |
| militaryUnitSize | squadron ⓘ |
| notableFor |
low-level precision bombing raids during the Second World War
ⓘ
operations in support of Allied ground forces in North-West Europe ⓘ participation in daring daylight raids over occupied Europe ⓘ |
| notablePeriod | Second World War NERFINISHED ⓘ |
| operationType |
low-level bombing
ⓘ
precision bombing ⓘ |
| partOf |
Royal Air Force Bomber Command
NERFINISHED
ⓘ
Royal Air Force Strike Command NERFINISHED ⓘ |
| role |
bomber squadron
ⓘ
day bomber squadron ⓘ light bomber squadron ⓘ |
| service |
Royal Air Force
NERFINISHED
ⓘ
Royal Flying Corps NERFINISHED ⓘ |
| serviceHistory | long and continuous with multiple disbandments and reformations ⓘ |
| serviceNumber | 21 ⓘ |
| theatre |
European theatre of World War II
NERFINISHED
ⓘ
North-West Europe NERFINISHED ⓘ Western Front NERFINISHED ⓘ |
| unitType | numbered flying squadron ⓘ |
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: No. 21 Squadron RAF Description of subject: No. 21 Squadron RAF was a Royal Air Force bomber unit with a long service history, particularly noted for its daring low-level precision raids during the Second World War.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.