USS Helena (CL-50)
E134882
USS Helena (CL-50) was a Brooklyn-class light cruiser of the United States Navy that saw heavy action in the Pacific during World War II, earning distinction for its role in several major engagements before being sunk in 1943.
All labels observed (1)
| Label | Occurrences |
|---|---|
| USS Helena (CL-50) canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T1090445 — 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 Helena (CL-50) Context triple: [Naval Battle of Guadalcanal, involvedShip, USS Helena (CL-50)]
-
A.
USS Honolulu (CL-48)
USS Honolulu (CL-48) was a Brooklyn-class light cruiser of the United States Navy that saw extensive action in the Pacific Theater during World War II.
-
B.
USS Hancock
USS Hancock was a prominent frigate of the Continental Navy during the American Revolutionary War, known for its early naval engagements against the British.
-
C.
USS O’Brien (DD-415)
USS O’Brien (DD-415) was a World War II-era United States Navy destroyer that served in the Atlantic and Pacific theaters before being lost to damage sustained from a Japanese torpedo attack in 1942.
-
D.
USS Hammann (DD-412)
USS Hammann (DD-412) was a U.S. Navy destroyer that served in the early years of World War II in the Pacific before being sunk during the Battle of Midway in 1942.
-
E.
USS Wainwright (DD-419)
USS Wainwright (DD-419) was a U.S. Navy destroyer that served prominently during World War II, earning distinction for its convoy escort, anti-submarine, and combat operations in the Atlantic and Mediterranean.
- 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 Helena (CL-50) Target entity description: USS Helena (CL-50) was a Brooklyn-class light cruiser of the United States Navy that saw heavy action in the Pacific during World War II, earning distinction for its role in several major engagements before being sunk in 1943.
-
A.
USS Honolulu (CL-48)
USS Honolulu (CL-48) was a Brooklyn-class light cruiser of the United States Navy that saw extensive action in the Pacific Theater during World War II.
-
B.
USS Hancock
USS Hancock was a prominent frigate of the Continental Navy during the American Revolutionary War, known for its early naval engagements against the British.
-
C.
USS O’Brien (DD-415)
USS O’Brien (DD-415) was a World War II-era United States Navy destroyer that served in the Atlantic and Pacific theaters before being lost to damage sustained from a Japanese torpedo attack in 1942.
-
D.
USS Hammann (DD-412)
USS Hammann (DD-412) was a U.S. Navy destroyer that served in the early years of World War II in the Pacific before being sunk during the Battle of Midway in 1942.
-
E.
USS Wainwright (DD-419)
USS Wainwright (DD-419) was a U.S. Navy destroyer that served prominently during World War II, earning distinction for its convoy escort, anti-submarine, and combat operations in the Atlantic and Mediterranean.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Brooklyn-class light cruiser
ⓘ
United States Navy warship ⓘ |
| aircraftCarried | floatplanes ⓘ |
| armament |
eight 5-inch/38 caliber dual-purpose guns
ⓘ
fifteen 6-inch/47 caliber guns ⓘ five triple 6-inch turrets ⓘ light anti-aircraft guns ⓘ |
| awards |
Navy Unit Commendation
ⓘ
battle stars for World War II service ⓘ |
| battle |
Battle of Cape Esperance
ⓘ
Battle of Kula Gulf ⓘ Battle of Guadalcanal ⓘ
surface form:
Guadalcanal campaign
Naval Battle of Guadalcanal ⓘ |
| beam | about 61 feet 9 inches ⓘ |
| builder |
New York Naval Shipyard
ⓘ
surface form:
New York Navy Yard
|
| causeOfSinking | Japanese torpedoes ⓘ |
| class |
Brooklyn-class cruiser
ⓘ
surface form:
Brooklyn class
|
| commissionedDate | September 18, 1939 ⓘ |
| conflict | World War II ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crewComplement | approximately 868 officers and enlisted ⓘ |
| damage | torpedo hit at Pearl Harbor ⓘ |
| dateOfEvent | December 7, 1941 ⓘ |
| displacementFullLoad | approximately 12,200 long tons ⓘ |
| displacementStandard | approximately 9,700 long tons ⓘ |
| draft | about 19 feet 5 inches ⓘ |
| event | attacked at Pearl Harbor ⓘ |
| fate | sunk in combat ⓘ |
| hullNumber | CL-50 ⓘ |
| laidDownDate | October 9, 1936 ⓘ |
| launchDate | August 27, 1938 ⓘ |
| length | about 608 feet ⓘ |
| locationDuringEvent |
Puʻuloa (Pearl Harbor)
ⓘ
surface form:
Pearl Harbor
|
| maximumSpeed | about 32.5 knots ⓘ |
| namedAfter |
Helena, Montana, United States
ⓘ
surface form:
Helena, Montana
|
| notableFor |
heavy action in the Solomon Islands campaign
ⓘ
rapid and accurate gunfire ⓘ |
| operator | United States Navy ⓘ |
| propulsion |
four propeller shafts
ⓘ
steam turbines ⓘ |
| serviceEntryEra | pre-World War II ⓘ |
| shipType | light cruiser ⓘ |
| sinkingDate | July 6, 1943 ⓘ |
| sinkingLocation |
Kula Gulf
ⓘ
surface form:
Kula Gulf, Solomon Islands
|
| sponsor | Miss Nancy Cooper ⓘ |
| status | lost in action ⓘ |
| successor |
USS Helena (CA-75)
ⓘ
USS Helena (CL-113) ⓘ |
| theater |
Pacific Theater of Operations
ⓘ
surface form:
Pacific Theater
|
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 Helena (CL-50) Description of subject: USS Helena (CL-50) was a Brooklyn-class light cruiser of the United States Navy that saw heavy action in the Pacific during World War II, earning distinction for its role in several major engagements before being sunk in 1943.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Battle of Kula Gulf