Los Angeles class
E1044341
The Los Angeles class is a series of nuclear-powered fast attack submarines that formed the backbone of the U.S. Navy’s undersea fleet during the late Cold War and beyond.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Los Angeles class canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T13486178 — 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: Los Angeles class Context triple: [USS Chicago (SSN-721), class, Los Angeles class]
-
A.
Ohio class
The Ohio class is a series of U.S. Navy nuclear-powered ballistic missile submarines designed primarily for strategic nuclear deterrence.
-
B.
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.
-
C.
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.
-
D.
Mahan-class destroyer
The Mahan-class destroyer was a group of U.S. Navy warships built in the 1930s that introduced advanced propulsion and armament features, serving extensively during World War II.
-
E.
Fletcher class
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.
- 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: Los Angeles class Target entity description: The Los Angeles class is a series of nuclear-powered fast attack submarines that formed the backbone of the U.S. Navy’s undersea fleet during the late Cold War and beyond.
-
A.
Ohio class
The Ohio class is a series of U.S. Navy nuclear-powered ballistic missile submarines designed primarily for strategic nuclear deterrence.
-
B.
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.
-
C.
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.
-
D.
Mahan-class destroyer
The Mahan-class destroyer was a group of U.S. Navy warships built in the 1930s that introduced advanced propulsion and armament features, serving extensively during World War II.
-
E.
Fletcher class
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.
- F. None of above. chosen
Statements (62)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy submarine class
ⓘ
nuclear-powered attack submarine class ⓘ |
| armament |
21-inch torpedo tubes
ⓘ
Mk 48 torpedoes ⓘ
linked to:
Mark 48 torpedoes
UGM-109 Tomahawk cruise missiles ⓘ
linked to:
Tomahawk cruise missile
UGM-84 Harpoon anti-ship missiles ⓘ mines ⓘ |
| beam | approximately 10 meters ⓘ |
| builtBy |
Electric Boat
ⓘ
linked to:
Electric Boat Company
Newport News Shipbuilding ⓘ |
| conflict |
Cold War
ⓘ
Gulf War ⓘ Iraq War ⓘ War in Afghanistan ⓘ
linked to:
War in Afghanistan (2001–2021)
|
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| crewComplement | approximately 130 ⓘ |
| crewComposition | officers and enlisted personnel ⓘ |
| designedBy | United States Navy ⓘ |
| displacementSubmerged | approximately 6927 tons ⓘ |
| displacementSurfaced | approximately 6080 tons ⓘ |
| draft | approximately 9.4 meters ⓘ |
| feature |
under-ice operations capability in improved units
ⓘ
vertical launch system for Tomahawk missiles in later units ⓘ |
| firstCommissionedUnit | USS Los Angeles (SSN-688) ⓘ |
| firstUnit | USS Los Angeles (SSN-688) ⓘ |
| hullConfiguration | single-hull ⓘ |
| hullMaterial | steel ⓘ |
| lastCommissionedYear | 1996 ⓘ |
| lastUnit | USS Cheyenne (SSN-773) ⓘ |
| leadShip | USS Los Angeles (SSN-688) ⓘ |
| length | approximately 110.3 meters ⓘ |
| maximumSpeedSubmerged | over 30 knots ⓘ |
| namedAfter | Los Angeles, California ⓘ |
| navalService | United States Navy ⓘ |
| notableCharacteristic | formed the backbone of the U.S. Navy attack submarine force for decades ⓘ |
| numberBuilt | 62 ⓘ |
| operator | United States Navy ⓘ |
| periodOfProminence |
late Cold War
ⓘ
post–Cold War era ⓘ |
| precededBy |
Sturgeon class
ⓘ
linked to:
Sturgeon-class submarine
|
| primaryMission |
deterrence
ⓘ
power projection ⓘ sea control ⓘ |
| propulsion | one shaft with single screw ⓘ |
| propulsionType | nuclear-powered ⓘ |
| reactorType | S6G pressurized water reactor ⓘ |
| role |
anti-submarine warfare platform
ⓘ
anti-surface warfare platform ⓘ attack submarine ⓘ intelligence gathering platform ⓘ special operations support platform ⓘ strike warfare platform ⓘ |
| serviceEntryYear | 1976 ⓘ |
| status |
partially decommissioned
ⓘ
partially in active service ⓘ |
| submarineType | fast attack submarine ⓘ |
| succeededBy |
Seawolf class
ⓘ
linked to:
Seawolf-class submarine
Virginia class ⓘ |
| testDepth | over 650 feet ⓘ |
| variant |
Flight I
ⓘ
Flight II ⓘ Flight III (688i Improved Los Angeles class) ⓘ |
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: Los Angeles class Description of subject: The Los Angeles class is a series of nuclear-powered fast attack submarines that formed the backbone of the U.S. Navy’s undersea fleet during the late Cold War and beyond.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.