Sea-Based X-Band Radar
E596585
The Sea-Based X-Band Radar is a powerful, mobile, sea-deployed radar platform designed to track ballistic missiles with high precision as part of the U.S. missile defense system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sea-Based X-Band Radar canonical | 2 |
| Sea-based X-band Radar | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6472695 — 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: Sea-Based X-Band Radar Context triple: [Ground-based Midcourse Defense, usesSensor, Sea-Based X-Band 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.
SAMPSON radar
The SAMPSON radar is an advanced multi-function, rotating active electronically scanned array (AESA) radar system used by the Royal Navy for long-range air and surface surveillance and fire control.
-
C.
Airborne Stand-Off Radar
Airborne Stand-Off Radar was a British Royal Air Force surveillance and reconnaissance program centered on the Raytheon Sentinel R1 aircraft, designed to provide long-range, all-weather battlefield and ground-moving-target intelligence.
-
D.
Bistatic Radar
Bistatic radar is a radar system in which the transmitter and receiver are located at separate sites, enabling specialized measurements such as detailed surface and composition analysis of planetary bodies.
-
E.
Shallow Radar
Shallow Radar is a subsurface sounding radar instrument used to probe and map the shallow underground structure of Mars, including buried ice and layering.
- 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: Sea-Based X-Band Radar Target entity description: The Sea-Based X-Band Radar is a powerful, mobile, sea-deployed radar platform designed to track ballistic missiles with high precision as part of the U.S. missile defense system.
-
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.
SAMPSON radar
The SAMPSON radar is an advanced multi-function, rotating active electronically scanned array (AESA) radar system used by the Royal Navy for long-range air and surface surveillance and fire control.
-
C.
Airborne Stand-Off Radar
Airborne Stand-Off Radar was a British Royal Air Force surveillance and reconnaissance program centered on the Raytheon Sentinel R1 aircraft, designed to provide long-range, all-weather battlefield and ground-moving-target intelligence.
-
D.
Bistatic Radar
Bistatic radar is a radar system in which the transmitter and receiver are located at separate sites, enabling specialized measurements such as detailed surface and composition analysis of planetary bodies.
-
E.
Shallow Radar
Shallow Radar is a subsurface sounding radar instrument used to probe and map the shallow underground structure of Mars, including buried ice and layering.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
missile defense sensor
ⓘ
radar system ⓘ sea-based platform ⓘ |
| capability |
high-resolution target imaging
ⓘ
operating in harsh sea conditions ⓘ tracking of small objects in space ⓘ |
| controllingOrganization |
Missile Defense Agency
ⓘ
linked to:
United States Missile Defense Agency
|
| country |
United States
ⓘ
linked to:
United States of America
|
| crewAccommodation | habitable platform ⓘ |
| dataOutput | precision tracking and discrimination data to command-and-control networks ⓘ |
| deploymentEnvironment | ocean ⓘ |
| designPurpose |
high-precision tracking
ⓘ
long-range ballistic missile detection ⓘ warhead versus decoy discrimination ⓘ |
| frequencyRange | 8–12 GHz ⓘ |
| homePort |
Adak, Alaska
ⓘ
linked to:
Adak Island
Pearl Harbor, Hawaii ⓘ
linked to:
Pearl Harbor, Oahu, Hawaii, United States
|
| integration | integrated with U.S. missile defense command-and-control systems ⓘ |
| introducedBy |
Missile Defense Agency
ⓘ
linked to:
United States Missile Defense Agency
|
| locationFlexibility | can be deployed to different ocean regions ⓘ |
| mission |
monitor ballistic missile launches
ⓘ
provide precision tracking data to interceptor missiles ⓘ support testing of missile defense systems ⓘ |
| mobility | sea-mobile ⓘ |
| mobilityMethod | towed by ocean-going tugs ⓘ |
| navigationSupport | equipped with positioning and stabilization systems ⓘ |
| notableFeature |
large radome enclosing phased-array antenna
ⓘ
sea-going self-contained radar station ⓘ |
| operator |
United States Department of Defense
ⓘ
linked to:
Department of Defense
United States Missile Defense Agency ⓘ |
| partOf |
Ground-based Midcourse Defense system
ⓘ
U.S. ballistic missile defense system ⓘ |
| platformOrigin | modified oil-drilling platform design ⓘ |
| platformType | semi-submersible platform ⓘ |
| powerSource | onboard generators ⓘ |
| primaryRole |
ballistic missile tracking
ⓘ
fire control support ⓘ target discrimination ⓘ |
| radarBand | X-band ⓘ |
| rangeCategory | long-range radar ⓘ |
| sensorType | phased-array radar ⓘ |
| supportRole |
supports Ground-Based Interceptor targeting
ⓘ
supports missile defense test ranges ⓘ |
| threatTypeTracked |
intercontinental ballistic missiles
ⓘ
intermediate-range ballistic missiles ⓘ medium-range ballistic missiles ⓘ |
| trackingPhase | midcourse phase of ballistic missile flight ⓘ |
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: Sea-Based X-Band Radar Description of subject: The Sea-Based X-Band Radar is a powerful, mobile, sea-deployed radar platform designed to track ballistic missiles with high precision as part of the U.S. missile defense system.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Ground-based Midcourse Defense system
linked to: Sea-Based X-Band Radar