Type 99 self-propelled howitzer
E238059
The Type 99 self-propelled howitzer is a modern Japanese 155 mm tracked artillery system designed to provide long-range, high-mobility fire support for the Japan Ground Self-Defense Force.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 99式自走155mmりゅう弾砲 | 1 |
| Type 99 self-propelled howitzer canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2052593 — 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 99 self-propelled howitzer Context triple: [Japan Ground Self-Defense Force, equipment, Type 99 self-propelled howitzer]
-
A.
Type 90 main battle tank
The Type 90 main battle tank is a Japanese third-generation tank featuring advanced fire control, composite armor, and a 120 mm smoothbore gun, designed primarily for high-mobility operations in Hokkaido.
-
B.
Type 96 armored personnel carrier
The Type 96 armored personnel carrier is a Japanese wheeled infantry transport vehicle designed to provide protected mobility for troops in modern combat environments.
-
C.
Type 89 infantry fighting vehicle
The Type 89 infantry fighting vehicle is a Japanese tracked armored combat vehicle designed to transport and support infantry with integrated firepower and protection on the battlefield.
-
D.
Type 99 rifle
The Type 99 rifle was a World War II-era Japanese bolt-action military rifle known for its robust design, use of 7.7×58mm ammunition, and service as a standard infantry weapon in the later years of the war.
-
E.
Type 74 main battle tank
The Type 74 main battle tank is a Japanese Cold War–era tank developed by Mitsubishi Heavy Industries, featuring a 105 mm rifled gun and advanced (for its time) fire-control systems, and used primarily by the Japan Ground Self-Defense Force.
- 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 99 self-propelled howitzer Target entity description: The Type 99 self-propelled howitzer is a modern Japanese 155 mm tracked artillery system designed to provide long-range, high-mobility fire support for the Japan Ground Self-Defense Force.
-
A.
Type 90 main battle tank
The Type 90 main battle tank is a Japanese third-generation tank featuring advanced fire control, composite armor, and a 120 mm smoothbore gun, designed primarily for high-mobility operations in Hokkaido.
-
B.
Type 96 armored personnel carrier
The Type 96 armored personnel carrier is a Japanese wheeled infantry transport vehicle designed to provide protected mobility for troops in modern combat environments.
-
C.
Type 89 infantry fighting vehicle
The Type 89 infantry fighting vehicle is a Japanese tracked armored combat vehicle designed to transport and support infantry with integrated firepower and protection on the battlefield.
-
D.
Type 99 rifle
The Type 99 rifle was a World War II-era Japanese bolt-action military rifle known for its robust design, use of 7.7×58mm ammunition, and service as a standard infantry weapon in the later years of the war.
-
E.
Type 74 main battle tank
The Type 74 main battle tank is a Japanese Cold War–era tank developed by Mitsubishi Heavy Industries, featuring a 105 mm rifled gun and advanced (for its time) fire-control systems, and used primarily by the Japan Ground Self-Defense Force.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
artillery system
ⓘ
self-propelled howitzer ⓘ |
| ammunitionType | 155 mm NATO-standard shells ⓘ |
| armament | 155 mm howitzer ⓘ |
| armored | yes ⓘ |
| associatedWith |
Medium Term Defense Program of Japan
ⓘ
surface form:
Japan Self-Defense Forces modernization programs
|
| branch |
Japan Ground Self-Defense Force
ⓘ
surface form:
Japan Ground Self-Defense Force artillery branch
|
| caliber | 155 mm ⓘ |
| category | self-propelled artillery of Japan ⓘ |
| chassisType | tracked ⓘ |
| combatRole | indirect fire artillery ⓘ |
| countryOfOrigin | Japan ⓘ |
| crew |
4
ⓘ
5 ⓘ |
| deployment | Japanese home islands defense ⓘ |
| designedBy | Mitsubishi Heavy Industries ⓘ |
| designedFor |
high-mobility fire support
ⓘ
long-range fire support ⓘ rapid deployment within Japan ⓘ |
| designedIn | Japan ⓘ |
| designedToReplace | older Japanese self-propelled howitzers ⓘ |
| engineType | diesel engine ⓘ |
| era | post–Cold War era ⓘ |
| fireControl | modern fire-control system ⓘ |
| fireSupportType |
conventional artillery fire
ⓘ
counter-battery fire ⓘ suppression of enemy positions ⓘ |
| gunType | 155 mm L/52 howitzer ⓘ |
| intendedUse |
long-range precision fire
ⓘ
support of maneuver units ⓘ |
| manufacturer | Mitsubishi Heavy Industries ⓘ |
| mobility | high tactical mobility ⓘ |
| mobilityType | tracked self-propelled ⓘ |
| nationalDesignation |
Type 99 self-propelled howitzer
self-linksurface differs
ⓘ
surface form:
99式自走155mmりゅう弾砲
|
| operator | Japan Ground Self-Defense Force ⓘ |
| originatingService | Japan Ground Self-Defense Force ⓘ |
| platformType | armored fighting vehicle ⓘ |
| primaryRole |
indirect fire support
ⓘ
self-propelled artillery ⓘ |
| propulsion | tracked armored chassis ⓘ |
| protectionLevel | armored against small arms fire and shell splinters ⓘ |
| secondaryArmament | 12.7 mm machine gun ⓘ |
| serviceEntry | late 1990s ⓘ |
| serviceStatus | in service ⓘ |
| turret | fully enclosed rotating turret ⓘ |
| usedBy | Japan Ground Self-Defense Force ⓘ |
| usedIn | field artillery units ⓘ |
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: Type 99 self-propelled howitzer Description of subject: The Type 99 self-propelled howitzer is a modern Japanese 155 mm tracked artillery system designed to provide long-range, high-mobility fire support for the Japan Ground Self-Defense Force.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Type 99 self-propelled howitzer
→
nationalDesignation
→
Type 99 self-propelled howitzer
self-linksurface differs
ⓘ
this entity surface form:
99式自走155mmりゅう弾砲