Spearfish heavyweight torpedoes
E345098
Spearfish heavyweight torpedoes are advanced British submarine-launched torpedoes designed for high-speed, long-range engagement of both surface ships and submarines.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Spearfish heavyweight torpedoes canonical | 3 |
| Spearfish torpedo | 2 |
| Spearfish torpedoes | 2 |
| Spearfish heavyweight torpedo | 1 |
| Tigerfish torpedo | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3291714 — 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: Spearfish heavyweight torpedoes Context triple: [Astute-class submarine, armament, Spearfish heavyweight torpedoes]
-
A.
Type 93 Long Lance torpedo
The Type 93 "Long Lance" torpedo was a highly advanced, oxygen-fueled Japanese naval torpedo of World War II, renowned for its exceptional range, speed, and destructive power.
-
B.
Mark 8 torpedo
The Mark 8 torpedo is a World War II–era British-designed straight-running torpedo that remained in service for decades and gained particular notoriety for its use by the Royal Navy in the 1982 sinking of the Argentine cruiser ARA General Belgrano during the Falklands War.
-
C.
UGM-84 Harpoon anti-ship missiles
The UGM-84 Harpoon is a submarine-launched, all-weather, over-the-horizon anti-ship cruise missile widely used by Western navies for engaging surface vessels.
-
D.
Type 12 surface-to-ship missile
The Type 12 surface-to-ship missile is a modern Japanese truck-mounted anti-ship cruise missile system designed for coastal defense and long-range precision strikes against naval targets.
-
E.
Torpedo Gorky
Torpedo Gorky was a prominent Soviet ice hockey club from Gorky (now Nizhny Novgorod) that competed at the top level of the Soviet Championship League.
- 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: Spearfish heavyweight torpedoes Target entity description: Spearfish heavyweight torpedoes are advanced British submarine-launched torpedoes designed for high-speed, long-range engagement of both surface ships and submarines.
-
A.
Type 93 Long Lance torpedo
The Type 93 "Long Lance" torpedo was a highly advanced, oxygen-fueled Japanese naval torpedo of World War II, renowned for its exceptional range, speed, and destructive power.
-
B.
Mark 8 torpedo
The Mark 8 torpedo is a World War II–era British-designed straight-running torpedo that remained in service for decades and gained particular notoriety for its use by the Royal Navy in the 1982 sinking of the Argentine cruiser ARA General Belgrano during the Falklands War.
-
C.
UGM-84 Harpoon anti-ship missiles
The UGM-84 Harpoon is a submarine-launched, all-weather, over-the-horizon anti-ship cruise missile widely used by Western navies for engaging surface vessels.
-
D.
Type 12 surface-to-ship missile
The Type 12 surface-to-ship missile is a modern Japanese truck-mounted anti-ship cruise missile system designed for coastal defense and long-range precision strikes against naval targets.
-
E.
Torpedo Gorky
Torpedo Gorky was a prominent Soviet ice hockey club from Gorky (now Nizhny Novgorod) that competed at the top level of the Soviet Championship League.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
heavyweight torpedo
ⓘ
submarine-launched weapon ⓘ torpedo ⓘ |
| caliber | 21 inch ⓘ |
| combatCapability |
engagement of highly maneuverable targets
ⓘ
high-speed long-range engagement ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designedFor |
anti-submarine warfare
ⓘ
anti-surface warfare ⓘ submarine launch ⓘ |
| designedToEngage |
submarines
ⓘ
surface ships ⓘ |
| developedFor | Cold War-era threat environment ⓘ |
| diameter | 533 millimeters ⓘ |
| feature |
counter-countermeasures capability
ⓘ
digital signal processing ⓘ programmable search patterns ⓘ re-attack capability ⓘ |
| guidanceSystem |
active sonar homing
ⓘ
autonomous terminal guidance ⓘ passive sonar homing ⓘ wire-guided ⓘ |
| inServiceWith |
Royal Navy Submarine Service
ⓘ
surface form:
Royal Navy attack submarines
Royal Navy Submarine Service ⓘ
surface form:
Royal Navy nuclear-powered submarines
|
| launchPlatform |
Astute-class submarine
ⓘ
surface form:
Astute-class submarines
Trafalgar-class submarine ⓘ
surface form:
Trafalgar-class submarines
|
| length | approximately 7 meters ⓘ |
| manufacturer |
BAE Systems
ⓘ
GEC-Marconi ⓘ
surface form:
GEC-Marconi Underwater Systems
|
| maximumSpeed | over 70 knots ⓘ |
| operatingEnvironment |
deep water
ⓘ
littoral waters ⓘ |
| operator | Royal Navy Submarine Service ⓘ |
| powerSource |
JP-7
ⓘ
surface form:
Otto fuel II
|
| propulsion |
gas-turbine engine
ⓘ
pump-jet ⓘ |
| range | over 50 kilometers ⓘ |
| replaced | Tigerfish torpedo ⓘ |
| role | primary heavyweight torpedo of the Royal Navy ⓘ |
| serviceEntry | 1990s ⓘ |
| status | in service ⓘ |
| upgradeFeatures |
enhanced reliability
ⓘ
improved guidance system ⓘ new warhead safety and arming system ⓘ |
| upgradeProgram | Spearfish Mod 1 ⓘ |
| usedBy | Royal Navy ⓘ |
| warheadType |
high-explosive
ⓘ
shaped charge ⓘ |
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: Spearfish heavyweight torpedoes Description of subject: Spearfish heavyweight torpedoes are advanced British submarine-launched torpedoes designed for high-speed, long-range engagement of both surface ships and submarines.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Vanguard-class ballistic missile submarine
this entity surface form:
Spearfish heavyweight torpedo
this entity surface form:
Spearfish torpedo
this entity surface form:
Tigerfish torpedo
this entity surface form:
Spearfish torpedoes
this entity surface form:
Spearfish torpedoes
this entity surface form:
Spearfish torpedo