submarine USS Lionfish (SS-298)
E510915
The submarine USS Lionfish (SS-298) is a World War II-era Balao-class U.S. Navy submarine preserved as a museum ship, notable for its combat service in the Pacific and public display at Battleship Cove in Massachusetts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| submarine USS Lionfish (SS-298) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5305721 — 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: submarine USS Lionfish (SS-298) Context triple: [Battleship Cove, knownFor, submarine USS Lionfish (SS-298)]
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A.
USS Bowfin (SS-287)
USS Bowfin (SS-287) is a World War II-era American Balao-class submarine famed for its successful wartime patrols in the Pacific and preservation as a museum ship in Pearl Harbor, Hawaii.
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B.
USS Silversides (SS-236)
USS Silversides (SS-236) is a World War II-era Gato-class submarine of the United States Navy renowned for its successful combat patrols in the Pacific and now preserved as a museum ship.
-
C.
USS Drum (SS-228)
USS Drum (SS-228) is a World War II-era Gato-class submarine of the United States Navy, renowned for its combat service in the Pacific and now preserved as a museum ship.
-
D.
Upholder-class submarine
The Upholder-class submarine was a class of diesel-electric attack submarines built for the Royal Navy in the late 20th century, later modernized and transferred to Canada where they became the Victoria-class.
-
E.
United States Navy submarine
The United States Navy submarine was the American undersea vessel that torpedoed and sank the Imperial Japanese Navy cruiser Kako during World War II.
- 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: submarine USS Lionfish (SS-298) Target entity description: The submarine USS Lionfish (SS-298) is a World War II-era Balao-class U.S. Navy submarine preserved as a museum ship, notable for its combat service in the Pacific and public display at Battleship Cove in Massachusetts.
-
A.
USS Bowfin (SS-287)
USS Bowfin (SS-287) is a World War II-era American Balao-class submarine famed for its successful wartime patrols in the Pacific and preservation as a museum ship in Pearl Harbor, Hawaii.
-
B.
USS Silversides (SS-236)
USS Silversides (SS-236) is a World War II-era Gato-class submarine of the United States Navy renowned for its successful combat patrols in the Pacific and now preserved as a museum ship.
-
C.
USS Drum (SS-228)
USS Drum (SS-228) is a World War II-era Gato-class submarine of the United States Navy, renowned for its combat service in the Pacific and now preserved as a museum ship.
-
D.
Upholder-class submarine
The Upholder-class submarine was a class of diesel-electric attack submarines built for the Royal Navy in the late 20th century, later modernized and transferred to Canada where they became the Victoria-class.
-
E.
United States Navy submarine
The United States Navy submarine was the American undersea vessel that torpedoed and sank the Imperial Japanese Navy cruiser Kako during World War II.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Balao-class submarine
ⓘ
United States Navy submarine ⓘ museum ship ⓘ |
| armament |
1 × 5-inch deck gun
ⓘ
10 × 21-inch torpedo tubes ⓘ Bofors 40 mm anti-aircraft gun ⓘ
linked to:
40 mm Bofors autocannon
Oerlikon 20 mm cannon ⓘ |
| awards | 2 battle stars for World War II service ⓘ |
| beam | 27.25 feet ⓘ |
| builder |
Cramp Shipbuilding Company
ⓘ
linked to:
Cramp & Sons Shipbuilding Company
|
| class | Balao class ⓘ |
| commissioned | 1 November 1944 ⓘ |
| conflict | World War II ⓘ |
| country | United States of America ⓘ |
| crewComplement | about 70 officers and enlisted ⓘ |
| currentStatus | museum ship ⓘ |
| decommissioned | 16 December 1946 ⓘ |
| displacementSubmerged | 2424 long tons ⓘ |
| displacementSurfaced | 1526 long tons ⓘ |
| draft | 17 feet ⓘ |
| era | World War II era ⓘ |
| finalDecommissioning | 15 December 1953 ⓘ |
| hasDesignation |
National Historic Landmark (as part of Battleship Cove collection, where applicable)
ⓘ
linked to:
National Historic Landmark
|
| hullNumber | SS-298 ⓘ |
| laidDown | 15 December 1942 ⓘ |
| launched | 7 November 1943 ⓘ |
| length | 311.75 feet ⓘ |
| location | Fall River, Massachusetts ⓘ |
| material | steel hull ⓘ |
| maximumSpeedSubmerged | 8.75 knots ⓘ |
| maximumSpeedSurfaced | 20.25 knots ⓘ |
| namedAfter | lionfish ⓘ |
| numberOfWarPatrols | 2 ⓘ |
| openToPublic | yes ⓘ |
| operator | United States Navy ⓘ |
| partOfExhibit |
Battleship Cove naval museum complex
ⓘ
linked to:
Battleship Cove
|
| placeBuilt |
Philadelphia, Pennsylvania
ⓘ
linked to:
Philadelphia
|
| postwarUse | training submarine ⓘ |
| preservedAt | Battleship Cove ⓘ |
| propulsion | diesel-electric ⓘ |
| recommissioned | 31 January 1951 ⓘ |
| serviceBranch | United States Navy ⓘ |
| shipyard |
William Cramp & Sons Shipbuilding Company
ⓘ
linked to:
William Cramp & Sons
|
| sponsor | Mrs. Florence K. Earle ⓘ |
| strickenFromNavalRegister | 1 June 1960 ⓘ |
| submarineType | fleet submarine ⓘ |
| theaterOfOperations | Pacific Theater of Operations ⓘ |
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: submarine USS Lionfish (SS-298) Description of subject: The submarine USS Lionfish (SS-298) is a World War II-era Balao-class U.S. Navy submarine preserved as a museum ship, notable for its combat service in the Pacific and public display at Battleship Cove in Massachusetts.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.