Fletcher class
E622573
The Fletcher class was a highly successful and numerous class of U.S. Navy destroyers used extensively during World War II and noted for their versatility, durability, and powerful armament.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fletcher class canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T6819245 — 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: Fletcher class Context triple: [USS La Vallette (DD-448), shipClass, Fletcher class]
-
A.
Forrest Sherman class
The Forrest Sherman class was a group of post–World War II U.S. Navy destroyers designed for anti-aircraft and anti-submarine warfare during the early Cold War era.
-
B.
Edsall class
The Edsall class was a group of U.S. Navy destroyer escorts built during World War II, designed primarily for anti-submarine warfare and convoy protection in the Atlantic.
-
C.
Pensacola class
The Pensacola class was a pair of early U.S. Navy heavy cruisers built under the limitations of the Washington Naval Treaty, notable for their heavy armament and relatively light armor.
-
D.
Hancock-class frigate
The Hancock-class frigate was a class of late 18th-century sailing warships of the Continental Navy, designed as relatively large, fast, and heavily armed frigates for use during the American Revolutionary War.
-
E.
Benson-class destroyer
The Benson-class destroyer was a World War II–era class of U.S. Navy destroyers known for their improved anti-aircraft armament, speed, and versatility in escort and fleet operations.
- 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: Fletcher class Target entity description: The Fletcher class was a highly successful and numerous class of U.S. Navy destroyers used extensively during World War II and noted for their versatility, durability, and powerful armament.
-
A.
Forrest Sherman class
The Forrest Sherman class was a group of post–World War II U.S. Navy destroyers designed for anti-aircraft and anti-submarine warfare during the early Cold War era.
-
B.
Edsall class
The Edsall class was a group of U.S. Navy destroyer escorts built during World War II, designed primarily for anti-submarine warfare and convoy protection in the Atlantic.
-
C.
Pensacola class
The Pensacola class was a pair of early U.S. Navy heavy cruisers built under the limitations of the Washington Naval Treaty, notable for their heavy armament and relatively light armor.
-
D.
Hancock-class frigate
The Hancock-class frigate was a class of late 18th-century sailing warships of the Continental Navy, designed as relatively large, fast, and heavily armed frigates for use during the American Revolutionary War.
-
E.
Benson-class destroyer
The Benson-class destroyer was a World War II–era class of U.S. Navy destroyers known for their improved anti-aircraft armament, speed, and versatility in escort and fleet operations.
- F. None of above. chosen
Statements (57)
| Predicate | Object |
|---|---|
| instanceOf |
World War II warship class
ⓘ
destroyer class ⓘ |
| antiAircraftArmament |
20 mm Oerlikon cannons
ⓘ
40 mm Bofors guns ⓘ |
| antiSubmarineArmament |
K-gun depth charge projectors
ⓘ
depth charge racks ⓘ |
| beam | about 39.75 ft ⓘ |
| builder |
Bath Iron Works
NERFINISHED
ⓘ
Boston Navy Yard NERFINISHED ⓘ Federal Shipbuilding and Drydock Company NERFINISHED ⓘ Puget Sound Navy Yard NERFINISHED ⓘ other U.S. shipyards ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin | United States of America ⓘ |
| crewComplement | about 273 officers and enlisted ⓘ |
| designedFor |
long-range Pacific operations
ⓘ
mass production ⓘ |
| designFeature |
flush-deck hull
ⓘ
two stacks ⓘ |
| displacementFullLoad | about 2,500 tons ⓘ |
| displacementStandard | about 2,050 tons ⓘ |
| draft | about 17.9 ft ⓘ |
| firstOfClass | USS Fletcher (DD-445) NERFINISHED ⓘ |
| length | about 376.5 ft ⓘ |
| maximumSpeed | about 35 knots ⓘ |
| namesakeShip | USS Fletcher (DD-445) NERFINISHED ⓘ |
| notableCharacteristic |
durability
ⓘ
heavy armament for size ⓘ versatility ⓘ |
| notableEngagement |
Battle of Leyte Gulf
NERFINISHED
ⓘ
Guadalcanal campaign NERFINISHED ⓘ Solomon Islands campaign NERFINISHED ⓘ |
| notableShip | USS Fletcher (DD-445) NERFINISHED ⓘ |
| numberBuilt | 175 ⓘ |
| operator | United States Navy ⓘ |
| periodOfConstruction | early 1940s ⓘ |
| powerOutput | about 60,000 shp ⓘ |
| primaryArmament | 5 in/38 caliber guns ⓘ |
| primaryArmamentCount | 5 ⓘ |
| propulsion |
dual propeller shafts
ⓘ
steam turbines ⓘ |
| range | about 6,500 nautical miles at 15 knots ⓘ |
| role |
anti-aircraft escort
ⓘ
anti-submarine warfare ⓘ shore bombardment ⓘ surface action ⓘ |
| serviceEntry | 1942 ⓘ |
| successorClass |
Allen M. Sumner-class destroyer
NERFINISHED
ⓘ
Gearing-class destroyer NERFINISHED ⓘ |
| theaterOfOperations |
Atlantic Theater of World War II
NERFINISHED
ⓘ
Pacific Theater of World War II NERFINISHED ⓘ |
| torpedoArmament | 21 in torpedo tubes ⓘ |
| torpedoArmamentCount | 10 tubes in two quintuple mounts ⓘ |
| usedBy |
German Navy (Bundesmarine)
NERFINISHED
ⓘ
Japan Maritime Self-Defense Force NERFINISHED ⓘ other foreign navies ⓘ postwar allied navies ⓘ |
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: Fletcher class Description of subject: The Fletcher class was a highly successful and numerous class of U.S. Navy destroyers used extensively during World War II and noted for their versatility, durability, and powerful armament.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
USS Duncan (DD-485)