USS Essex (CV-9)
E87304
USS Essex (CV-9) was the lead ship of the U.S. Navy’s Essex-class aircraft carriers that played a major role in World War II Pacific operations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| USS Essex (CV-9) canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T676663 — 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: USS Essex (CV-9) Context triple: [USS Hornet (CV-8), followedBy, USS Essex (CV-9)]
-
A.
USS Yorktown (CV-5)
USS Yorktown (CV-5) was a U.S. Navy aircraft carrier of the Yorktown class that played a pivotal role in early World War II Pacific battles before being sunk during the Battle of Midway in 1942.
-
B.
USS Lexington (CV-2)
USS Lexington (CV-2) was a U.S. Navy aircraft carrier of the early World War II era that played a major role in Pacific operations before being lost in the Battle of the Coral Sea.
-
C.
USS Hornet (CV-8)
USS Hornet (CV-8) was a U.S. Navy Yorktown-class aircraft carrier of World War II best known for launching the Doolittle Raid and for its role in major Pacific battles before being sunk in the Battle of the Santa Cruz Islands.
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D.
USS Enterprise (CV-6)
USS Enterprise (CV-6) was a famed U.S. Navy Yorktown-class aircraft carrier and one of the most decorated American warships of World War II, playing a pivotal role in multiple Pacific Theater battles.
-
E.
USS Saratoga
USS Saratoga was a U.S. Navy aircraft carrier, originally commissioned in the 1920s, that later became notable as a target ship in early post–World War II nuclear weapons tests.
- 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: USS Essex (CV-9) Target entity description: USS Essex (CV-9) was the lead ship of the U.S. Navy’s Essex-class aircraft carriers that played a major role in World War II Pacific operations.
-
A.
USS Yorktown (CV-5)
USS Yorktown (CV-5) was a U.S. Navy aircraft carrier of the Yorktown class that played a pivotal role in early World War II Pacific battles before being sunk during the Battle of Midway in 1942.
-
B.
USS Lexington (CV-2)
USS Lexington (CV-2) was a U.S. Navy aircraft carrier of the early World War II era that played a major role in Pacific operations before being lost in the Battle of the Coral Sea.
-
C.
USS Hornet (CV-8)
USS Hornet (CV-8) was a U.S. Navy Yorktown-class aircraft carrier of World War II best known for launching the Doolittle Raid and for its role in major Pacific battles before being sunk in the Battle of the Santa Cruz Islands.
-
D.
USS Enterprise (CV-6)
USS Enterprise (CV-6) was a famed U.S. Navy Yorktown-class aircraft carrier and one of the most decorated American warships of World War II, playing a pivotal role in multiple Pacific Theater battles.
-
E.
USS Saratoga
USS Saratoga was a U.S. Navy aircraft carrier, originally commissioned in the 1920s, that later became notable as a target ship in early post–World War II nuclear weapons tests.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
Essex-class aircraft carrier
ⓘ
United States Navy ship ⓘ World War II aircraft carrier ⓘ aircraft carrier ⓘ |
| airGroupSize | approximately 90–100 aircraft (WWII) ⓘ |
| armament |
20 mm anti-aircraft guns
ⓘ
40 mm anti-aircraft guns ⓘ 5-inch/38 caliber dual-purpose guns ⓘ |
| awarded |
Navy Unit Commendation
ⓘ
Presidential Unit Citation (United States) ⓘ
surface form:
Presidential Unit Citation
multiple battle stars for World War II service ⓘ |
| battle |
Battle of Leyte Gulf
ⓘ
Battle of Tarawa ⓘ Battle of the Philippine Sea ⓘ operations against the Caroline Islands ⓘ operations against the Mariana Islands ⓘ operations against the Marshall Islands ⓘ strikes against the Japanese home islands ⓘ |
| beam | about 93 feet at waterline ⓘ |
| builder | Newport News Shipbuilding ⓘ |
| commissionedOn | 1942-12-31 ⓘ |
| conflict | World War II ⓘ |
| country | United States of America ⓘ |
| crewComplement | approximately 2,600 officers and enlisted ⓘ |
| decommissionedOn | 1947-01-09 ⓘ |
| displacement |
approximately 27,100 long tons standard
ⓘ
approximately 36,380 long tons full load ⓘ |
| finalDecommissioningDate | 1969-06-30 ⓘ |
| flightDeckBeam | about 147 feet ⓘ |
| hullNumber | CV-9 ⓘ |
| laidDownOn | 1941-04-28 ⓘ |
| launchedOn | 1942-07-31 ⓘ |
| leadShipOfClass | Essex class ⓘ |
| length | about 872 feet ⓘ |
| maximumSpeed | about 33 knots ⓘ |
| modernization |
SCB-125 angled-deck conversion
ⓘ
SCB-27A conversion ⓘ |
| namedAfter | Essex County, Massachusetts ⓘ |
| operator | United States Navy ⓘ |
| placeBuilt | Newport News, Virginia ⓘ |
| primaryArmament | carrier-based aircraft ⓘ |
| propulsion |
4 shafts
ⓘ
steam turbines ⓘ |
| reclassifiedAs |
CVA-9
ⓘ
CVS-9 ⓘ |
| recommissionedOn | 1951-01-16 ⓘ |
| role |
anti-submarine warfare carrier
ⓘ
attack aircraft carrier ⓘ |
| scrappedOn | 1975-03-01 (approximate year of scrapping) ⓘ |
| shipClass | Essex class ⓘ |
| theaterOfOperations |
Pacific War
ⓘ
surface form:
Pacific Theater of World War II
|
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: USS Essex (CV-9) Description of subject: USS Essex (CV-9) was the lead ship of the U.S. Navy’s Essex-class aircraft carriers that played a major role in World War II Pacific operations.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Essex-class aircraft carrier