USS Maryland (SSBN-738)
E61353
Ohio-class ballistic missile submarine
United States Navy submarine
ballistic missile submarine
nuclear-powered submarine
USS Maryland (SSBN-738) is an Ohio-class nuclear-powered ballistic missile submarine of the United States Navy, designed for strategic deterrence patrols.
All labels observed (2)
| Label | Occurrences |
|---|---|
| USS Maryland (SSBN-738) canonical | 3 |
| SSBN-738 | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T491432 — 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 Maryland (SSBN-738) Context triple: [USS Maryland (BB-46), successorNameReuse, USS Maryland (SSBN-738)]
-
A.
USS Maryland (BB-46)
USS Maryland (BB-46) was a Colorado-class battleship of the United States Navy that served prominently in the Pacific Theater during World War II, including surviving and continuing operations after the attack on Pearl Harbor.
-
B.
SS Jeremiah O’Brien
SS Jeremiah O’Brien is a preserved World War II Liberty ship now serving as a museum vessel and historic attraction in San Francisco.
-
C.
USS Tennessee (BB-43)
USS Tennessee (BB-43) was a Tennessee-class battleship of the United States Navy that served prominently in the Pacific Theater during World War II, providing shore bombardment and support in multiple major campaigns.
-
D.
USS West Virginia (BB-48)
USS West Virginia (BB-48) was a Colorado-class battleship of the United States Navy that was sunk and later refloated and modernized after the Pearl Harbor attack, subsequently serving in major Pacific Theater operations during World War II.
-
E.
USS Missouri
USS Missouri is a United States Navy Iowa-class battleship best known as the site of Japan’s formal surrender in World War II, marking the end of the conflict.
- 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 Maryland (SSBN-738) Target entity description: USS Maryland (SSBN-738) is an Ohio-class nuclear-powered ballistic missile submarine of the United States Navy, designed for strategic deterrence patrols.
-
A.
USS Maryland (BB-46)
USS Maryland (BB-46) was a Colorado-class battleship of the United States Navy that served prominently in the Pacific Theater during World War II, including surviving and continuing operations after the attack on Pearl Harbor.
-
B.
SS Jeremiah O’Brien
SS Jeremiah O’Brien is a preserved World War II Liberty ship now serving as a museum vessel and historic attraction in San Francisco.
-
C.
USS Tennessee (BB-43)
USS Tennessee (BB-43) was a Tennessee-class battleship of the United States Navy that served prominently in the Pacific Theater during World War II, providing shore bombardment and support in multiple major campaigns.
-
D.
USS West Virginia (BB-48)
USS West Virginia (BB-48) was a Colorado-class battleship of the United States Navy that was sunk and later refloated and modernized after the Pearl Harbor attack, subsequently serving in major Pacific Theater operations during World War II.
-
E.
USS Missouri
USS Missouri is a United States Navy Iowa-class battleship best known as the site of Japan’s formal surrender in World War II, marking the end of the conflict.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Ohio-class ballistic missile submarine
ⓘ
United States Navy submarine ⓘ ballistic missile submarine ⓘ nuclear-powered submarine ⓘ |
| armament |
submarine-launched ballistic missiles
ⓘ
torpedoes ⓘ |
| beam | about 13 meters ⓘ |
| belongsTo | Ohio-class SSBN group ⓘ |
| builder |
Electric Boat Company
ⓘ
surface form:
General Dynamics Electric Boat
|
| class | Ohio class ⓘ |
| classRole | strategic missile submarine ⓘ |
| commissionedDate | 1992-06-13 ⓘ |
| communicationCapability | secure long-range communications ⓘ |
| constructionSite |
Electric Boat Company
ⓘ
surface form:
Electric Boat Division, General Dynamics, Groton, Connecticut
|
| country | United States of America ⓘ |
| crewComplement | two crews (Blue and Gold) ⓘ |
| crewOrganization |
Blue crew
ⓘ
Gold crew ⓘ |
| crewSize | approximately 155 personnel ⓘ |
| designPurpose | sea-based leg of the U.S. nuclear triad ⓘ |
| displacement | approximately 18,750 tons submerged ⓘ |
| fleet |
Atlantic Fleet
ⓘ
surface form:
United States Atlantic Fleet
|
| fuelType | highly enriched uranium (reactor fuel) ⓘ |
| hasCapability | long-endurance submerged operations ⓘ |
| homeport | Naval Submarine Base Kings Bay ⓘ |
| hullNumber |
USS Maryland (SSBN-738)
self-linksurface differs
ⓘ
surface form:
SSBN-738
|
| laidDownDate | 1986-04-24 ⓘ |
| launchCapability | submerged ballistic missile launch ⓘ |
| launchDate | 1991-10-10 ⓘ |
| length | about 170 meters ⓘ |
| namedAfter |
Maryland
ⓘ
surface form:
U.S. state of Maryland
|
| natoDesignation | SSBN ⓘ |
| navigationSystem | inertial navigation and satellite navigation systems ⓘ |
| nuclearCapability | strategic nuclear weapons delivery ⓘ |
| nuclearReactorType | pressurized water reactor ⓘ |
| operator | United States Navy ⓘ |
| patrolArea | Atlantic Ocean ⓘ |
| primaryMission | strategic nuclear deterrent patrols ⓘ |
| propulsion | nuclear reactor ⓘ |
| propulsionSystem | one nuclear reactor with steam turbines ⓘ |
| role | strategic deterrence ⓘ |
| safetyFeature | multiple redundant systems ⓘ |
| serviceBranch |
Submarine Force, U.S. Pacific Fleet
ⓘ
surface form:
U.S. Navy Submarine Force
|
| shipType | ballistic missile submarine ⓘ |
| status | in active service ⓘ |
| stealthFeature | acoustic quieting ⓘ |
| strategicImportance | key component of U.S. nuclear deterrent posture ⓘ |
| strategicRole | continuous at-sea deterrent ⓘ |
| submarineType | SSBN ⓘ |
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 Maryland (SSBN-738) Description of subject: USS Maryland (SSBN-738) is an Ohio-class nuclear-powered ballistic missile submarine of the United States Navy, designed for strategic deterrence patrols.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
SSBN-738
this entity surface form:
SSBN-738