Mark 48 torpedoes
E650967
Mark 48 torpedoes are heavyweight, wire-guided, submarine-launched torpedoes used by several navies for anti-submarine and anti-surface warfare.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mark 48 torpedoes canonical | 2 |
| Mk 48 torpedoes | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7228728 — 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: Mark 48 torpedoes Context triple: [Collins-class submarine, armament, Mark 48 torpedoes]
-
A.
Spearfish heavyweight torpedoes
Spearfish heavyweight torpedoes are advanced British submarine-launched torpedoes designed for high-speed, long-range engagement of both surface ships and submarines.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: Mark 48 torpedoes Target entity description: Mark 48 torpedoes are heavyweight, wire-guided, submarine-launched torpedoes used by several navies for anti-submarine and anti-surface warfare.
-
A.
Spearfish heavyweight torpedoes
Spearfish heavyweight torpedoes are advanced British submarine-launched torpedoes designed for high-speed, long-range engagement of both surface ships and submarines.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
heavyweight torpedo
ⓘ
submarine-launched torpedo ⓘ wire-guided torpedo ⓘ |
| caliber | 21 inches ⓘ |
| compatiblePlatform |
Collins-class submarines
NERFINISHED
ⓘ
Los Angeles-class submarines NERFINISHED ⓘ Seawolf-class submarines NERFINISHED ⓘ Type 209 submarines (selected users) ⓘ Type 214 submarines (selected users) ⓘ Virginia-class submarines NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designedFor |
anti-submarine warfare
ⓘ
anti-surface warfare ⓘ |
| diameter | 533 millimeters ⓘ |
| guidanceSystem |
active sonar homing
ⓘ
passive sonar homing ⓘ wire guidance ⓘ |
| inService | true ⓘ |
| introduced | 1972 ⓘ |
| launchPlatform | submarine ⓘ |
| length | approximately 5.79 meters ⓘ |
| manufacturer |
Lockheed Martin (later support and upgrades)
NERFINISHED
ⓘ
Raytheon NERFINISHED ⓘ |
| mass | approximately 1,676 kilograms ⓘ |
| maximumSpeed | over 28 knots ⓘ |
| notableFeature |
deep-diving capability
ⓘ
wake-homing and advanced signal processing in later variants ⓘ wire-guided mid-course updates ⓘ |
| operatingDepth | deep-water capable ⓘ |
| propulsion | Otto fuel II monopropellant NERFINISHED ⓘ |
| range | over 50 kilometers (later variants) ⓘ |
| role | primary U.S. Navy submarine-launched torpedo ⓘ |
| successor | Mark 48 ADCAP torpedo NERFINISHED ⓘ |
| targetType |
submarines
ⓘ
surface ships ⓘ |
| usedBy |
Brazilian Navy
NERFINISHED
ⓘ
Republic of China Navy NERFINISHED ⓘ Royal Australian Navy NERFINISHED ⓘ Royal Canadian Navy NERFINISHED ⓘ Royal Navy (historical trials and integration) NERFINISHED ⓘ Royal Netherlands Navy NERFINISHED ⓘ Turkish Navy NERFINISHED ⓘ United States Navy ⓘ |
| variant |
Mark 48 ADCAP Mod 5
NERFINISHED
ⓘ
Mark 48 ADCAP Mod 6 NERFINISHED ⓘ Mark 48 ADCAP Mod 7 CBASS NERFINISHED ⓘ Mark 48 Mod 1 NERFINISHED ⓘ Mark 48 Mod 3 NERFINISHED ⓘ Mark 48 Mod 4 NERFINISHED ⓘ |
| warheadFiller | PBXN-103 (later variants) ⓘ |
| warheadType | high-explosive ⓘ |
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: Mark 48 torpedoes Description of subject: Mark 48 torpedoes are heavyweight, wire-guided, submarine-launched torpedoes used by several navies for anti-submarine and anti-surface warfare.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Ohio-class SSBN
this entity surface form:
Mk 48 torpedoes
this entity surface form:
Mk 48 torpedoes