Type 93 Long Lance torpedo

E91922

Japanese torpedo World War II weapon naval 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.

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All labels observed (11)

Label	Occurrences
Type 93 "Long Lance" torpedoes	6
Type 93 Long Lance torpedoes	2
Type 93 torpedo	2
Long Lance torpedo	1
Long Lance torpedoes	1
Type 93 "Long Lance"	1
Type 93 "Long Lance" torpedo	1
Type 93 Long Lance torpedo canonical	1
Type 93 torpedoes	1
Type 93 “Long Lance” torpedoes	1
Type 95 torpedoes	1

How this entity was disambiguated

This entity first appeared as the object of triple T781395 — 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: Type 93 Long Lance torpedo
Context triple: [Battle of Tassafaronga, primaryWeapon, Type 93 Long Lance torpedo]

A. Dreadnought-class submarine
The Dreadnought-class submarine is a new generation of British nuclear-powered ballistic missile submarines designed to replace the Royal Navy’s Vanguard class as the backbone of the UK’s sea-based nuclear deterrent.
B. Exocet anti-ship missile
The Exocet anti-ship missile is a French-built, sea-skimming guided missile renowned for its effectiveness in naval warfare, particularly for its high-profile use in sinking ships during the Falklands War.
C. Mogami class
The Mogami class was a group of Japanese World War II cruisers notable for their heavy armament, high speed, and controversial design that pushed the limits of naval treaty restrictions.
D. U-boats
U-boats were German military submarines, most famously used in both World Wars for commerce raiding and naval warfare in the Atlantic.
E. Astute-class submarine
The Astute-class submarine is a fleet of advanced nuclear-powered attack submarines built for the Royal Navy, known for their stealth, endurance, and sophisticated weapons and sensor systems.
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: Type 93 Long Lance torpedo
Target entity description: 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.

A. Dreadnought-class submarine
The Dreadnought-class submarine is a new generation of British nuclear-powered ballistic missile submarines designed to replace the Royal Navy’s Vanguard class as the backbone of the UK’s sea-based nuclear deterrent.
B. Exocet anti-ship missile
The Exocet anti-ship missile is a French-built, sea-skimming guided missile renowned for its effectiveness in naval warfare, particularly for its high-profile use in sinking ships during the Falklands War.
C. Mogami class
The Mogami class was a group of Japanese World War II cruisers notable for their heavy armament, high speed, and controversial design that pushed the limits of naval treaty restrictions.
D. U-boats
U-boats were German military submarines, most famously used in both World Wars for commerce raiding and naval warfare in the Atlantic.
E. Astute-class submarine
The Astute-class submarine is a fleet of advanced nuclear-powered attack submarines built for the Royal Navy, known for their stealth, endurance, and sophisticated weapons and sensor systems.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	Japanese torpedo ⓘ World War II weapon ⓘ naval torpedo ⓘ
advantageOverContemporaries	greater range than Allied torpedoes ⓘ greater speed at long range than Allied torpedoes ⓘ larger explosive charge than most Allied torpedoes ⓘ
conflict	Pacific War ⓘ World War II in the Pacific ⓘ linked to: Pacific War
countryOfOrigin	Empire of Japan ⓘ linked to: Japan
designGoal	maximize striking power in night surface actions ⓘ out-range enemy torpedoes ⓘ
eraOfObsolescence	post–World War II ⓘ
fuelType	kerosene ⓘ
guidanceSystem	unguided ⓘ
impact	contributed to early Japanese naval successes in the Pacific ⓘ forced Allies to revise night-fighting tactics ⓘ
introducedInPeriod	World War II ⓘ
launchPlatform	battleship ⓘ cruiser ⓘ destroyer ⓘ surface ship ⓘ
nickname	Long Lance ⓘ
notableFeature	high speed for its range ⓘ large warhead ⓘ reduced bubble wake ⓘ very long effective range ⓘ
operator	Imperial Japanese Navy cruiser squadrons ⓘ linked to: Imperial Japanese Navy cruiser force Imperial Japanese Navy destroyer flotillas ⓘ linked to: Imperial Japanese Navy destroyers
oxidizer	compressed oxygen ⓘ
propulsionType	wet-heater ⓘ
risk	handling danger due to pure oxygen oxidizer ⓘ increased vulnerability to catastrophic explosions if hit ⓘ
serviceBranch	Imperial Japanese Navy surface forces ⓘ linked to: Imperial Japanese Navy
serviceEra	1930s ⓘ 1940s ⓘ
strategicRole	key element of Japanese night-fighting doctrine ⓘ primary offensive weapon for Japanese destroyers ⓘ
successorConcept	electric torpedoes ⓘ homing torpedoes ⓘ
technologicalSignificance	most advanced operational torpedo of World War II ⓘ pioneering use of pure oxygen in large-service torpedoes ⓘ
usedBy	Imperial Japanese Navy ⓘ
usedInBattle	Battle of Leyte Gulf ⓘ Battle of Savo Island ⓘ Battle of Tassafaronga ⓘ Battle of the Java Sea ⓘ Battle of the Philippine Sea ⓘ Naval Battle of Guadalcanal ⓘ
warheadType	high-explosive ⓘ

How these facts were elicited