Operation Halyard (rescue of Allied airmen)
E254201
Operation Halyard (rescue of Allied airmen) was a World War II mission in which Serbian resistance forces and the Allies covertly evacuated hundreds of downed Allied airmen from Nazi-occupied Yugoslavia.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Operation Halyard (rescue of Allied airmen) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2291446 — 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: Operation Halyard (rescue of Allied airmen) Context triple: [Chetniks, notableEvent, Operation Halyard (rescue of Allied airmen)]
-
A.
The Hump airlift over the Himalayas
The Hump airlift over the Himalayas was a World War II Allied air transport operation that flew supplies from India to China across the treacherous Himalayan mountains after the Japanese cut the Burma Road.
-
B.
Operation Oboe
Operation Oboe was the series of late-World War II Australian-led amphibious assaults to recapture key areas of Borneo from Japanese control in 1945.
-
C.
Lend-Lease program
The Lend-Lease program was a World War II U.S. initiative that supplied Allied nations, especially Britain and the Soviet Union, with vital military aid and materials to support their fight against the Axis powers.
-
D.
Doolittle Raid
The Doolittle Raid was a daring 1942 U.S. air attack on Tokyo and other Japanese cities, launched from aircraft carriers and intended to boost American morale and demonstrate Japan’s vulnerability early in World War II.
-
E.
Operation Wilfred
Operation Wilfred was a British World War II naval operation in April 1940 aimed at mining Norwegian coastal waters to disrupt German access to Swedish iron ore, helping trigger the subsequent German invasion of Norway and battles such as Narvik.
- 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: Operation Halyard (rescue of Allied airmen) Target entity description: Operation Halyard (rescue of Allied airmen) was a World War II mission in which Serbian resistance forces and the Allies covertly evacuated hundreds of downed Allied airmen from Nazi-occupied Yugoslavia.
-
A.
The Hump airlift over the Himalayas
The Hump airlift over the Himalayas was a World War II Allied air transport operation that flew supplies from India to China across the treacherous Himalayan mountains after the Japanese cut the Burma Road.
-
B.
Operation Oboe
Operation Oboe was the series of late-World War II Australian-led amphibious assaults to recapture key areas of Borneo from Japanese control in 1945.
-
C.
Lend-Lease program
The Lend-Lease program was a World War II U.S. initiative that supplied Allied nations, especially Britain and the Soviet Union, with vital military aid and materials to support their fight against the Axis powers.
-
D.
Doolittle Raid
The Doolittle Raid was a daring 1942 U.S. air attack on Tokyo and other Japanese cities, launched from aircraft carriers and intended to boost American morale and demonstrate Japan’s vulnerability early in World War II.
-
E.
Operation Wilfred
Operation Wilfred was a British World War II naval operation in April 1940 aimed at mining Norwegian coastal waters to disrupt German access to Swedish iron ore, helping trigger the subsequent German invasion of Norway and battles such as Narvik.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
World War II operation
ⓘ
covert operation ⓘ military rescue operation ⓘ |
| airfieldConstructed |
makeshift airstrips near Koceljeva
ⓘ
makeshift airstrips near Pranjani ⓘ |
| airmenNationality |
American
ⓘ
British ⓘ other Allied nationalities ⓘ |
| airmenRescuedFrom | downed bombers of the Fifteenth Air Force ⓘ |
| alsoKnownAs |
Halyard Mission
ⓘ
Operation Air Bridge ⓘ |
| belligerent | Allies of World War II ⓘ |
| conflict | World War II ⓘ |
| coordinatedWith | Royal Air Force ⓘ |
| countryInvolved |
United Kingdom
ⓘ
United States of America ⓘ Yugoslavia ⓘ |
| endTime | 1944 ⓘ |
| historicalSignificance | example of local resistance aiding Allied forces in occupied Europe ⓘ |
| keyFigure |
Arthur Jibilian
ⓘ
Draža Mihailović ⓘ George Musulin ⓘ Nick Lalich ⓘ |
| location |
Bosnia and Herzegovina
ⓘ
Axis-occupied Yugoslavia ⓘ
surface form:
Nazi-occupied Yugoslavia
Serbia ⓘ |
| method |
covert air evacuation
ⓘ
nighttime C-47 transport aircraft landings ⓘ |
| notableFor |
cooperation between OSS agents and Chetnik resistance
ⓘ
one of the largest Allied aircrew rescue operations behind enemy lines in World War II ⓘ |
| numberOfPeopleRescued |
approximately 512 Allied airmen
ⓘ
over 500 Allied airmen ⓘ |
| objective |
evacuate Allied aircrews from behind enemy lines
ⓘ
rescue downed Allied airmen ⓘ |
| opposedBy | Nazi Germany ⓘ |
| organisedBy |
Office of Strategic Services
ⓘ
United States Army Air Forces ⓘ |
| partOf | World War II ⓘ |
| relatedTo | strategic bombing of oil fields in Ploiești ⓘ |
| result | successful evacuation of hundreds of Allied airmen ⓘ |
| risk | German reprisals against local civilians ⓘ |
| startTime | 1944 ⓘ |
| supportedBy |
Chetniks
ⓘ
surface form:
Chetnik Detachments of the Yugoslav Army
Chetniks ⓘ
surface form:
Serbian resistance forces
Chetniks ⓘ
surface form:
Yugoslav Chetniks
|
| theater | Balkan theatre of World War II ⓘ |
| timePeriod |
August 1944
ⓘ
December 1944 ⓘ |
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: Operation Halyard (rescue of Allied airmen) Description of subject: Operation Halyard (rescue of Allied airmen) was a World War II mission in which Serbian resistance forces and the Allies covertly evacuated hundreds of downed Allied airmen from Nazi-occupied Yugoslavia.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.