SSN-571
E254249
SSN-571 is the hull number of USS Nautilus, the world’s first operational nuclear-powered submarine and a pioneering vessel in naval history.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SSN-571 canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2309198 — 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: SSN-571 Context triple: [USS Nautilus, hullNumber, SSN-571]
-
A.
USS Maryland (SSBN-738)
USS Maryland (SSBN-738) is an Ohio-class nuclear-powered ballistic missile submarine of the United States Navy, designed for strategic deterrence patrols.
-
B.
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.
-
C.
USS Cassin Young
USS Cassin Young is a preserved World War II-era Fletcher-class destroyer now serving as a museum ship in Boston, Massachusetts.
-
D.
USS Turner Joy (DD-951)
USS Turner Joy (DD-951) was a Forrest Sherman-class destroyer of the United States Navy best known for its controversial role in the events that escalated U.S. involvement in the Vietnam War.
-
E.
USS Oliver Hazard Perry (FFG-7)
USS Oliver Hazard Perry (FFG-7) was the lead ship of the U.S. Navy’s Oliver Hazard Perry–class guided-missile frigates, serving primarily in anti-submarine and escort roles during the late 20th century.
- 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: SSN-571 Target entity description: SSN-571 is the hull number of USS Nautilus, the world’s first operational nuclear-powered submarine and a pioneering vessel in naval history.
-
A.
USS Maryland (SSBN-738)
USS Maryland (SSBN-738) is an Ohio-class nuclear-powered ballistic missile submarine of the United States Navy, designed for strategic deterrence patrols.
-
B.
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.
-
C.
USS Cassin Young
USS Cassin Young is a preserved World War II-era Fletcher-class destroyer now serving as a museum ship in Boston, Massachusetts.
-
D.
USS Turner Joy (DD-951)
USS Turner Joy (DD-951) was a Forrest Sherman-class destroyer of the United States Navy best known for its controversial role in the events that escalated U.S. involvement in the Vietnam War.
-
E.
USS Oliver Hazard Perry (FFG-7)
USS Oliver Hazard Perry (FFG-7) was the lead ship of the U.S. Navy’s Oliver Hazard Perry–class guided-missile frigates, serving primarily in anti-submarine and escort roles during the late 20th century.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy submarine
ⓘ
hull number ⓘ nuclear-powered submarine ⓘ |
| armament | torpedo tubes ⓘ |
| awarded |
Arctic Service Ribbon
ⓘ
National Defense Service Medal ⓘ Navy E Ribbon ⓘ Navy Unit Commendation ⓘ Presidential Unit Citation (United States) ⓘ
surface form:
Presidential Unit Citation
|
| beam | 8.5 m ⓘ |
| builder |
Electric Boat Company
ⓘ
Electric Boat Company ⓘ
surface form:
General Dynamics Electric Boat
|
| class | Nautilus-class submarine ⓘ |
| commissioned | 1954-09-30 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| decommissioned | 1980-03-03 ⓘ |
| designation | SSN-571 self-linksurface differs ⓘ |
| displacementSubmerged | approx. 3520 tons ⓘ |
| displacementSurfaced | approx. 2980 tons ⓘ |
| era | Cold War ⓘ |
| homeport |
Groton, Connecticut Colony
ⓘ
surface form:
Groton, Connecticut
|
| hullNumber | SSN-571 self-linksurface differs ⓘ |
| identifies | USS Nautilus ⓘ |
| innovation | demonstrated feasibility of nuclear propulsion for submarines ⓘ |
| inServicePeriod | 1954–1980 ⓘ |
| laidDown | 1952-06-14 ⓘ |
| launched | 1954-01-21 ⓘ |
| length | 97 m ⓘ |
| museumCity |
Groton, Connecticut Colony
ⓘ
surface form:
Groton, Connecticut
|
| museumLocation | Submarine Force Library and Museum ⓘ |
| namedAfter |
Nautilus (fictional submarine)
ⓘ
surface form:
Nautilus (Jules Verne’s fictional submarine)
|
| NorthPoleTransitDate | 1958-08-03 ⓘ |
| notableEvent | first submarine to complete a submerged transit of the North Pole ⓘ |
| operationName | Operation Sunshine ⓘ |
| operator | United States Navy ⓘ |
| pennantNumber | SSN-571 self-linksurface differs ⓘ |
| pioneer | first operational nuclear-powered submarine ⓘ |
| precededBy | conventional diesel-electric submarines ⓘ |
| preservedAs | historic landmark ⓘ |
| propulsion |
nuclear reactor
ⓘ
pressurized-water reactor ⓘ |
| reactorDesigner | Westinghouse Electric Corporation ⓘ |
| role | attack submarine ⓘ |
| shipyard |
Groton, Connecticut Colony
ⓘ
surface form:
Groton, Connecticut
|
| sponsoredBy | Mamie Eisenhower ⓘ |
| status | museum ship ⓘ |
| successorConcept | nuclear submarine fleet ⓘ |
| topSpeedSubmerged | over 20 knots ⓘ |
| touristAttraction | yes ⓘ |
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: SSN-571 Description of subject: SSN-571 is the hull number of USS Nautilus, the world’s first operational nuclear-powered submarine and a pioneering vessel in naval history.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
USS Nautilus
subject surface form:
USS Nautilus
subject surface form:
USS Nautilus