PAC-2
E23959
PAC-2 is an upgraded variant of the Patriot missile system designed primarily to improve its effectiveness against tactical ballistic missiles and other aerial threats.
All labels observed (7)
| Label | Occurrences |
|---|---|
| PAC-2 canonical | 3 |
| PAC-2 GEM | 2 |
| PAC-2 GEM+ (GEM Plus) | 1 |
| PAC-2 interceptor | 1 |
| PAC-3 | 1 |
| Patriot PAC-2 GEM in some roles | 1 |
| Patriot initial operational capability configuration | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T187665 — 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: PAC-2 Context triple: [Patriot missile system, upgradeProgram, PAC-2]
-
A.
PAC-1
PAC-1 is the first major operational configuration of the U.S. Patriot surface-to-air missile system, introducing enhanced capabilities for air defense against aircraft and limited missile threats.
-
B.
Pan Pacific Defense Corps
The Pan Pacific Defense Corps is a multinational military organization in the "Pacific Rim" universe responsible for developing and deploying giant Jaeger robots to combat monstrous Kaiju threats.
-
C.
AMX
AMX is a Dutch stock market index that tracks the performance of mid-cap companies listed on Euronext Amsterdam.
-
D.
AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic missile threats.
-
E.
AN/MPQ-53 radar
The AN/MPQ-53 is a multifunction, phased-array fire control radar used to detect, track, and guide interceptors against aircraft and missile threats in the Patriot air defense system.
- 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: PAC-2 Target entity description: PAC-2 is an upgraded variant of the Patriot missile system designed primarily to improve its effectiveness against tactical ballistic missiles and other aerial threats.
-
A.
PAC-1
PAC-1 is the first major operational configuration of the U.S. Patriot surface-to-air missile system, introducing enhanced capabilities for air defense against aircraft and limited missile threats.
-
B.
Pan Pacific Defense Corps
The Pan Pacific Defense Corps is a multinational military organization in the "Pacific Rim" universe responsible for developing and deploying giant Jaeger robots to combat monstrous Kaiju threats.
-
C.
AMX
AMX is a Dutch stock market index that tracks the performance of mid-cap companies listed on Euronext Amsterdam.
-
D.
AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic missile threats.
-
E.
AN/MPQ-53 radar
The AN/MPQ-53 is a multifunction, phased-array fire control radar used to detect, track, and guide interceptors against aircraft and missile threats in the Patriot air defense system.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Patriot missile variant
ⓘ
surface-to-air missile system variant ⓘ |
| allianceUse |
NATO integrated air and missile defense
ⓘ
linked to:
NATO integrated air defense system
|
| belongsToFamily |
Patriot Advanced Capability
ⓘ
linked to:
Patriot missile system
|
| compatibleWith |
AN/MPQ-53 radar
ⓘ
Patriot fire control system ⓘ
linked to:
Patriot missile system
|
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| deploymentMode | mobile, truck-mounted launchers ⓘ |
| designedFor | air and missile defense ⓘ |
| detonationMechanism | proximity fuze ⓘ |
| developedBy |
Raytheon
ⓘ
linked to:
Raytheon Company
|
| engagementEnvelope |
aerodynamic targets
ⓘ
short-range ballistic missiles ⓘ |
| enteredService | early 1990s ⓘ |
| exportedTo |
Germany
ⓘ
Greece ⓘ Israel ⓘ Japan ⓘ Japan Ground Self-Defense Force ⓘ Kuwait ⓘ Netherlands ⓘ Saudi Arabia ⓘ South Korea ⓘ Spain ⓘ Taiwan ⓘ
linked to:
Formosa
United Arab Emirates ⓘ |
| guidanceType |
semi-active radar homing
ⓘ
track-via-missile ⓘ |
| improvementOver |
enhanced radar and software for TBM tracking
ⓘ
improved fuze and warhead design ⓘ increased lethality against ballistic missiles ⓘ |
| launchPlatform | Patriot launcher ⓘ |
| notableUpgrade |
Guidance Enhanced Missile (GEM) variant
ⓘ
linked to:
Patriot missile system
|
| operatedBy | United States Army ⓘ |
| operationalUse | defense against Scud-type ballistic missiles ⓘ |
| partOf |
MIM-104 Patriot
ⓘ
linked to:
Patriot missile system
|
| predecessor | PAC-1 ⓘ |
| primaryRole |
aircraft interception
ⓘ
cruise missile interception ⓘ tactical ballistic missile interception ⓘ |
| propulsion | solid-fuel rocket motor ⓘ |
| rangeCategory | medium-range ⓘ |
| successor |
PAC-3
ⓘ
linked to:
PAC-3 MSE (Missile Segment Enhancement)
|
| systemType | ground-based air defense system component ⓘ |
| upgradePath |
PAC-2 GEM
ⓘ
linked to:
PAC-2
PAC-2 GEM+ (GEM Plus) ⓘ
linked to:
PAC-2
|
| usedInConflict | Gulf War ⓘ |
| warheadType | high-explosive fragmentation ⓘ |
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: PAC-2 Description of subject: PAC-2 is an upgraded variant of the Patriot missile system designed primarily to improve its effectiveness against tactical ballistic missiles and other aerial threats.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: PAC-2
linked to: PAC-2
linked to: PAC-2
linked to: PAC-2
linked to: PAC-2
linked to: PAC-2