Peacekeeper ICBM
E436759
The Peacekeeper ICBM was a U.S. intercontinental ballistic missile deployed during the late Cold War, notable for its multiple independently targetable reentry vehicles (MIRVs) designed to enhance nuclear deterrence.
All labels observed (2)
| Label | Occurrences |
|---|---|
| LGM-118 Peacekeeper | 2 |
| Peacekeeper ICBM canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4335705 — 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: Peacekeeper ICBM Context triple: [Strategic Air Command, operatedWeaponSystem, Peacekeeper ICBM]
-
A.
Atlas ICBM
Atlas ICBM was the United States’ first operational intercontinental ballistic missile, later adapted as a launch vehicle that helped inaugurate the American space program.
-
B.
SS-13 Savage ICBM
The SS-13 Savage ICBM was an early Soviet solid-fueled intercontinental ballistic missile developed during the Cold War for strategic nuclear deterrence.
-
C.
SS-19 Stiletto ICBM
The SS-19 Stiletto is a Soviet-era, silo-based intercontinental ballistic missile designed to deliver multiple nuclear warheads over long ranges as part of the Cold War strategic arsenal.
-
D.
Titan II ICBM
The Titan II ICBM was a U.S. Cold War-era intercontinental ballistic missile known for its powerful two-stage liquid-fueled design and role as both a nuclear deterrent and the launch vehicle for NASA’s Gemini missions.
-
E.
UR-100 ICBM
The UR-100 ICBM was a Soviet-era, silo-based intercontinental ballistic missile designed for mass deployment as part of the USSR’s strategic nuclear deterrent.
- 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: Peacekeeper ICBM Target entity description: The Peacekeeper ICBM was a U.S. intercontinental ballistic missile deployed during the late Cold War, notable for its multiple independently targetable reentry vehicles (MIRVs) designed to enhance nuclear deterrence.
-
A.
Atlas ICBM
Atlas ICBM was the United States’ first operational intercontinental ballistic missile, later adapted as a launch vehicle that helped inaugurate the American space program.
-
B.
SS-13 Savage ICBM
The SS-13 Savage ICBM was an early Soviet solid-fueled intercontinental ballistic missile developed during the Cold War for strategic nuclear deterrence.
-
C.
SS-19 Stiletto ICBM
The SS-19 Stiletto is a Soviet-era, silo-based intercontinental ballistic missile designed to deliver multiple nuclear warheads over long ranges as part of the Cold War strategic arsenal.
-
D.
Titan II ICBM
The Titan II ICBM was a U.S. Cold War-era intercontinental ballistic missile known for its powerful two-stage liquid-fueled design and role as both a nuclear deterrent and the launch vehicle for NASA’s Gemini missions.
-
E.
UR-100 ICBM
The UR-100 ICBM was a Soviet-era, silo-based intercontinental ballistic missile designed for mass deployment as part of the USSR’s strategic nuclear deterrent.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
MIRV-capable missile
ⓘ
intercontinental ballistic missile ⓘ land-based ballistic missile ⓘ |
| accuracy | high accuracy for counterforce missions ⓘ |
| alsoKnownAs |
LGM-118A
NERFINISHED
ⓘ
MX missile NERFINISHED ⓘ |
| ceiling | suborbital ballistic trajectory ⓘ |
| coldWarSystem | true ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| deploymentType | silo-based ⓘ |
| designedFor | multiple independently targetable reentry vehicles ⓘ |
| designedToCounter | Soviet ICBM force ⓘ |
| designedToEnhance | U.S. nuclear deterrence ⓘ |
| developedUnderProgram | MX program NERFINISHED ⓘ |
| developmentContext | U.S.-Soviet strategic arms competition ⓘ |
| developmentStart | 1970s ⓘ |
| era | late Cold War ⓘ |
| firstDeploymentLocation | F.E. Warren Air Force Base NERFINISHED ⓘ |
| guidanceSystem |
inertial guidance
ⓘ
stellar-inertial guidance ⓘ |
| laterOperationalControl | Air Force Space Command NERFINISHED ⓘ |
| launchMethod | cold launch from silo ⓘ |
| launchPlatform | hardened underground silo ⓘ |
| launchWeight | approximately 88,000 kilograms ⓘ |
| length | approximately 21 meters ⓘ |
| manufacturer | Martin Marietta NERFINISHED ⓘ |
| maximumRange | over 9,000 kilometers ⓘ |
| MIRVCapacity | up to 10 warheads ⓘ |
| missionType | counterforce capability ⓘ |
| natoReportingName | LGM-118A NERFINISHED ⓘ |
| numberOfStages | 3 ⓘ |
| operationalControl | Strategic Air Command NERFINISHED ⓘ |
| partOf | U.S. nuclear triad land-based leg ⓘ |
| peakDeployedQuantity | 50 missiles ⓘ |
| primaryBasingWing | 90th Strategic Missile Wing NERFINISHED ⓘ |
| propellantType | solid fuel ⓘ |
| replacedBy | LGM-30G Minuteman III (as sole U.S. land-based ICBM) NERFINISHED ⓘ |
| retirementCompleted | 2005 ⓘ |
| retirementStart | 2002 ⓘ |
| role | strategic nuclear deterrent ⓘ |
| serviceEntry | 1986 ⓘ |
| status | retired ⓘ |
| testLaunchesConductedBy | Vandenberg Air Force Base NERFINISHED ⓘ |
| treatyInfluence | Strategic Arms Reduction Treaty (START) NERFINISHED ⓘ |
| usedBy | United States Air Force ⓘ |
| usedWarheadsReassignedTo | Minuteman III ICBM NERFINISHED ⓘ |
| warheadModel | W87 thermonuclear warhead ⓘ |
| warheadType | thermonuclear warhead ⓘ |
| warheadYield | approximately 300 kilotons TNT equivalent per warhead ⓘ |
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: Peacekeeper ICBM Description of subject: The Peacekeeper ICBM was a U.S. intercontinental ballistic missile deployed during the late Cold War, notable for its multiple independently targetable reentry vehicles (MIRVs) designed to enhance nuclear deterrence.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
LGM-118 Peacekeeper
this entity surface form:
LGM-118 Peacekeeper