Ground-based Midcourse Defense system

E145992

U.S. national missile defense system ballistic missile defense system missile defense system

The Ground-based Midcourse Defense system is a U.S. missile defense network designed to detect, track, and intercept long-range ballistic missiles in space during their midcourse phase.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (13)

Label	Occurrences
Ground-Based Interceptor	3
Ground-based Midcourse Defense	3
Ground-based Midcourse Defense system canonical	3
Ballistic Missile Defense Organization program	1
Ground-Based Interceptors	1
Ground-Based Interceptors at Fort Greely, Alaska	1
Ground-Based Interceptors at Vandenberg Space Force Base	1
Ground-Based Midcourse Defense Fire Control	1
Ground-Based Midcourse Defense system	1
Ground-based Midcourse Defense fire control system	1
U.S. Ground-based Midcourse Defense	1
U.S. national missile defense	1
United States national missile defense	1

How this entity was disambiguated

This entity first appeared as the object of triple T1196898 — 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: Ground-based Midcourse Defense system
Context triple: [100th Missile Defense Brigade, equipmentUsed, Ground-based Midcourse Defense system]

A. Patriot missile system
The Patriot missile system is a long-range, all-altitude, air-defense system designed to detect, track, and intercept incoming aircraft, missiles, and drones, widely used by the U.S. and allied militaries.
B. Ballistic Missile Defense System
The Ballistic Missile Defense System is an integrated network of sensors, interceptors, and command-and-control components designed to detect, track, and destroy ballistic missiles in flight.
C. Space-Based Infrared System
The Space-Based Infrared System (SBIRS) is a U.S. military satellite constellation designed to provide global missile launch detection, missile defense support, and strategic infrared surveillance.
D. CA-95 air defense system
The CA-95 air defense system is a Romanian short-range, mobile, surface-to-air missile platform designed to protect ground forces and key installations from low-flying aircraft and helicopters.
E. PAC-3 MSE (Missile Segment Enhancement)
PAC-3 MSE (Missile Segment Enhancement) is an advanced variant of the Patriot air and missile defense interceptor featuring improved range, altitude, and maneuverability to defeat more sophisticated ballistic and cruise missile threats.
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: Ground-based Midcourse Defense system
Target entity description: The Ground-based Midcourse Defense system is a U.S. missile defense network designed to detect, track, and intercept long-range ballistic missiles in space during their midcourse phase.

A. Patriot missile system
The Patriot missile system is a long-range, all-altitude, air-defense system designed to detect, track, and intercept incoming aircraft, missiles, and drones, widely used by the U.S. and allied militaries.
B. Ballistic Missile Defense System
The Ballistic Missile Defense System is an integrated network of sensors, interceptors, and command-and-control components designed to detect, track, and destroy ballistic missiles in flight.
C. Space-Based Infrared System
The Space-Based Infrared System (SBIRS) is a U.S. military satellite constellation designed to provide global missile launch detection, missile defense support, and strategic infrared surveillance.
D. CA-95 air defense system
The CA-95 air defense system is a Romanian short-range, mobile, surface-to-air missile platform designed to protect ground forces and key installations from low-flying aircraft and helicopters.
E. PAC-3 MSE (Missile Segment Enhancement)
PAC-3 MSE (Missile Segment Enhancement) is an advanced variant of the Patriot air and missile defense interceptor featuring improved range, altitude, and maneuverability to defeat more sophisticated ballistic and cruise missile threats.
F. None of above. chosen

Statements (54)

Predicate	Object
instanceOf	U.S. national missile defense system ⓘ ballistic missile defense system ⓘ missile defense system ⓘ
abbreviation	GMD ⓘ
alsoKnownAs	Ground-Based Midcourse Defense system ⓘ linked to: Ground-based Midcourse Defense system
component	Exoatmospheric Kill Vehicle ⓘ Ground-Based Interceptor ⓘ linked to: Ground-based Midcourse Defense system Ground-Based Midcourse Defense Fire Control ⓘ linked to: Ground-based Midcourse Defense system In-Flight Interceptor Communication System ⓘ linked to: Command and Control, Battle Management, and Communications (C2BMC) system command and control system ⓘ fire control system ⓘ ground-based radar network ⓘ
contractor	Boeing ⓘ Lockheed Martin ⓘ Northrop Grumman ⓘ Orbital Sciences Corporation ⓘ Raytheon ⓘ linked to: Raytheon Company
country	United States ⓘ linked to: United States of America
defendedAsset	Alaska ⓘ Hawaii ⓘ continental United States ⓘ linked to: contiguous United States
deploymentSite	Fort Greely, Alaska ⓘ Vandenberg Space Force Base, California ⓘ linked to: Vandenberg Space Force Base
developedUnder	Ballistic Missile Defense Organization ⓘ linked to: United States Missile Defense Agency Missile Defense Agency ⓘ linked to: United States Missile Defense Agency
developmentStart	late 1990s ⓘ
engagementEnvironment	space ⓘ
engagementPhase	midcourse phase of ballistic missile flight ⓘ
governingBody	U.S. Department of Defense ⓘ linked to: Department of Defense
initialOperationalCapability	2004 ⓘ
interceptorBasing	silo-based ⓘ
interceptorPropulsion	three-stage solid-fuel booster ⓘ
interceptorType	Ground-Based Interceptor ⓘ linked to: Ground-based Midcourse Defense system
killMechanism	hit-to-kill kinetic interception ⓘ
killVehicle	Exoatmospheric Kill Vehicle ⓘ
modernizationProgram	Next Generation Interceptor ⓘ
operator	U.S. Missile Defense Agency ⓘ linked to: United States Missile Defense Agency United States Army ⓘ
partOf	United States national missile defense ⓘ linked to: Ground-based Midcourse Defense system
primaryThreat	intercontinental ballistic missiles ⓘ intermediate-range ballistic missiles ⓘ
purpose	defense against long-range ballistic missiles ⓘ intercept intercontinental ballistic missiles ⓘ
relatedProgram	Aegis Ballistic Missile Defense System ⓘ linked to: Aegis Ballistic Missile Defense Patriot missile system ⓘ Terminal High Altitude Area Defense ⓘ
status	operational ⓘ
testLocation	Pacific Ocean test ranges ⓘ Ronald Reagan Ballistic Missile Defense Test Site ⓘ Vandenberg Space Force Base, California ⓘ linked to: Vandenberg Space Force Base
usesSensor	AN/TPY-2 radar ⓘ Cobra Dane radar ⓘ Sea-Based X-Band Radar ⓘ Upgraded Early Warning Radar ⓘ

How these facts were elicited