Cobra Dane radar
E596586
The Cobra Dane radar is a large, phased-array early warning and tracking radar system used by the United States for long-range detection and tracking of ballistic missiles and space objects.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cobra Dane radar canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6472696 — 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: Cobra Dane radar Context triple: [Ground-based Midcourse Defense, usesSensor, Cobra Dane radar]
-
A.
Erieye radar
The Erieye radar is a Swedish airborne early warning and control (AEW&C) radar system known for its active electronically scanned array (AESA) technology and long-range surveillance capabilities.
-
B.
ALTAIR radar
ALTAIR radar is a powerful tracking and surveillance radar system located on Kwajalein Atoll, used primarily for space object tracking and missile defense research.
-
C.
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.
-
D.
AN/MPQ-65 radar
The AN/MPQ-65 radar is an advanced multifunction phased-array radar used in later variants of the Patriot air and missile defense system, providing improved target detection, tracking, and engagement capabilities over its predecessor.
-
E.
AN/APY-2 radar
The AN/APY-2 radar is an advanced airborne early warning and control (AEW&C) radar system designed to provide long-range surveillance, tracking, and battle management capabilities.
- 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: Cobra Dane radar Target entity description: The Cobra Dane radar is a large, phased-array early warning and tracking radar system used by the United States for long-range detection and tracking of ballistic missiles and space objects.
-
A.
Erieye radar
The Erieye radar is a Swedish airborne early warning and control (AEW&C) radar system known for its active electronically scanned array (AESA) technology and long-range surveillance capabilities.
-
B.
ALTAIR radar
ALTAIR radar is a powerful tracking and surveillance radar system located on Kwajalein Atoll, used primarily for space object tracking and missile defense research.
-
C.
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.
-
D.
AN/MPQ-65 radar
The AN/MPQ-65 radar is an advanced multifunction phased-array radar used in later variants of the Patriot air and missile defense system, providing improved target detection, tracking, and engagement capabilities over its predecessor.
-
E.
AN/APY-2 radar
The AN/APY-2 radar is an advanced airborne early warning and control (AEW&C) radar system designed to provide long-range surveillance, tracking, and battle management capabilities.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
early warning radar
ⓘ
missile tracking radar ⓘ phased-array radar system ⓘ |
| builtFor | Cold War missile warning ⓘ |
| commissionedBy |
United States Department of Defense
ⓘ
linked to:
Department of Defense
|
| constructionStartDate | 1973 ⓘ |
| controlledBy |
United States Northern Command
ⓘ
linked to:
U.S. Northern Command
|
| country |
United States
ⓘ
linked to:
United States of America
|
| dataUsedBy |
Missile Defense Agency
ⓘ
linked to:
United States Missile Defense Agency
U.S. Strategic Command ⓘ |
| environment | remote island installation ⓘ |
| frequencyBand | L-band ⓘ |
| integratedWith |
U.S. missile warning network
ⓘ
U.S. space surveillance network ⓘ
linked to:
United States Space Surveillance Network
|
| locatedIn |
Alaska
ⓘ
Aleutian Islands ⓘ |
| locatedOn | Shemya Island ⓘ |
| location | Eareckson Air Station ⓘ |
| monitorsRegion |
Asia-Pacific
ⓘ
North Pacific ⓘ
linked to:
Northern Pacific Ocean
Russian Far East ⓘ
linked to:
Far Eastern Federal District
|
| namedAfter | code name "Cobra Dane" ⓘ |
| operationalDate | 1977 ⓘ |
| operator |
United States Air Force
ⓘ
United States Space Force ⓘ |
| orientation | facing west toward Russia ⓘ |
| partOf |
United States ballistic missile early warning system
ⓘ
linked to:
Ballistic Missile Early Warning System
United States space surveillance network ⓘ
linked to:
United States Space Surveillance Network
|
| platformType | fixed ground installation ⓘ |
| powerSource | ground-based electrical power ⓘ |
| primaryMission | ballistic missile early warning ⓘ |
| radarFaceOrientation | single large array ⓘ |
| radarFaceShape | phased-array planar face ⓘ |
| rangeType | long-range radar ⓘ |
| secondaryMission | space object tracking ⓘ |
| status | operational ⓘ |
| strategicImportance | high ⓘ |
| supportsProgram |
U.S. missile defense system
ⓘ
space situational awareness ⓘ |
| supportsTreatyVerification | arms control treaties ⓘ |
| technology | phased-array radar ⓘ |
| usedFor |
arms control verification support
ⓘ
intelligence gathering on foreign missile tests ⓘ long-range detection of ballistic missiles ⓘ missile defense ⓘ tracking of ballistic missiles ⓘ tracking of space objects ⓘ |
| waveform | pulse-Doppler radar ⓘ |
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: Cobra Dane radar Description of subject: The Cobra Dane radar is a large, phased-array early warning and tracking radar system used by the United States for long-range detection and tracking of ballistic missiles and space objects.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.