Koh Tang Island battle
E645008
The Koh Tang Island battle was a 1975 U.S. military operation and last official combat action of the Vietnam War era, launched to rescue the crew of the seized American merchant ship SS Mayaguez from Cambodian forces.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Koh Tang Island battle canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7143708 — 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: Koh Tang Island battle Context triple: [SS Mayaguez, associatedWith, Koh Tang Island battle]
-
A.
Battle of Labuan
The Battle of Labuan was a World War II amphibious assault in June 1945 in which Australian forces captured the strategically important island of Labuan from Japanese control during the final stages of the Pacific War.
-
B.
Battle of Biak
The Battle of Biak was a World War II Pacific campaign in 1944 in which U.S. forces seized the strategically vital Biak Island from Japanese control to secure airfields for operations toward the Philippines.
-
C.
Battle of the Sibuyan Sea
The Battle of the Sibuyan Sea was a major World War II naval air engagement in October 1944, in which U.S. carrier aircraft repeatedly attacked and ultimately sank the Japanese battleship Musashi while attempting to thwart Japan’s Center Force during the Leyte Gulf campaign.
-
D.
Battle of the Makassar Strait
The Battle of the Makassar Strait was a World War II naval engagement in early 1942 between Allied and Japanese forces in the Dutch East Indies, notable for Japan’s use of air power to repel an Allied attempt to disrupt its advance.
-
E.
Battle of the Kerama Islands
The Battle of the Kerama Islands was a World War II amphibious operation in March 1945 in which U.S. forces seized the Kerama Islands southwest of Okinawa to secure anchorages and eliminate Japanese naval and air threats ahead of the Okinawa invasion.
- 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: Koh Tang Island battle Target entity description: The Koh Tang Island battle was a 1975 U.S. military operation and last official combat action of the Vietnam War era, launched to rescue the crew of the seized American merchant ship SS Mayaguez from Cambodian forces.
-
A.
Battle of Labuan
The Battle of Labuan was a World War II amphibious assault in June 1945 in which Australian forces captured the strategically important island of Labuan from Japanese control during the final stages of the Pacific War.
-
B.
Battle of Biak
The Battle of Biak was a World War II Pacific campaign in 1944 in which U.S. forces seized the strategically vital Biak Island from Japanese control to secure airfields for operations toward the Philippines.
-
C.
Battle of the Sibuyan Sea
The Battle of the Sibuyan Sea was a major World War II naval air engagement in October 1944, in which U.S. carrier aircraft repeatedly attacked and ultimately sank the Japanese battleship Musashi while attempting to thwart Japan’s Center Force during the Leyte Gulf campaign.
-
D.
Battle of the Makassar Strait
The Battle of the Makassar Strait was a World War II naval engagement in early 1942 between Allied and Japanese forces in the Dutch East Indies, notable for Japan’s use of air power to repel an Allied attempt to disrupt its advance.
-
E.
Battle of the Kerama Islands
The Battle of the Kerama Islands was a World War II amphibious operation in March 1945 in which U.S. forces seized the Kerama Islands southwest of Okinawa to secure anchorages and eliminate Japanese naval and air threats ahead of the Okinawa invasion.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
military operation ⓘ |
| alsoKnownAs |
Battle of Koh Tang
NERFINISHED
ⓘ
Koh Tang Island assault ⓘ |
| belligerent |
Khmer Rouge
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| cause | seizure of SS Mayaguez by Cambodian forces ⓘ |
| commandedBy | President Gerald Ford (as U.S. Commander-in-Chief) NERFINISHED ⓘ |
| conflict | Mayaguez incident NERFINISHED ⓘ |
| conflictType |
airmobile operation
ⓘ
amphibious assault ⓘ |
| country | Cambodia ⓘ |
| date | 1975-05-15 ⓘ |
| describedAs | last official combat action of the Vietnam War era by U.S. forces ⓘ |
| endDate | 1975-05-15 ⓘ |
| hasCasualties |
Khmer Rouge forces
NERFINISHED
ⓘ
United States forces NERFINISHED ⓘ |
| involves |
SS Mayaguez
NERFINISHED
ⓘ
U.S. Air Force helicopters NERFINISHED ⓘ U.S. Marine landing forces ⓘ United States Air Force NERFINISHED ⓘ United States Marine Corps NERFINISHED ⓘ United States Navy NERFINISHED ⓘ |
| location |
Gulf of Thailand
NERFINISHED
ⓘ
Koh Tang Island NERFINISHED ⓘ |
| militaryTheater | Southeast Asia NERFINISHED ⓘ |
| notableFor |
being one of the last major U.S. combat actions in Southeast Asia
ⓘ
controversy over intelligence and planning ⓘ friendly fire incidents and helicopter losses ⓘ |
| objective |
recover seized American merchant ship SS Mayaguez
ⓘ
rescue the crew of SS Mayaguez ⓘ |
| opponent | Cambodian forces ⓘ |
| participant |
U.S. 1st Battalion, 4th Marines
NERFINISHED
ⓘ
U.S. 2nd Battalion, 9th Marines NERFINISHED ⓘ U.S. 3rd Marine Division elements NERFINISHED ⓘ |
| partOf |
Mayaguez rescue operation
NERFINISHED
ⓘ
Vietnam War era ⓘ |
| relatedTo |
Fall of Saigon
NERFINISHED
ⓘ
end of the Vietnam War ⓘ |
| result |
release of SS Mayaguez crew
ⓘ
tactical stalemate on Koh Tang Island ⓘ |
| startDate | 1975-05-15 ⓘ |
| status | completed ⓘ |
| supportedBy |
U.S. Air Force tactical aircraft
NERFINISHED
ⓘ
U.S. Seventh Fleet units NERFINISHED ⓘ |
| timePeriod | post–Paris Peace Accords period ⓘ |
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: Koh Tang Island battle Description of subject: The Koh Tang Island battle was a 1975 U.S. military operation and last official combat action of the Vietnam War era, launched to rescue the crew of the seized American merchant ship SS Mayaguez from Cambodian forces.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.