SS-5 Skean MRBM
E222057
The SS-5 Skean MRBM was a Soviet medium-range ballistic missile deployed during the Cold War for nuclear delivery against intermediate-distance targets.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SS-5 Skean MRBM canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1991510 — 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: SS-5 Skean MRBM Context triple: [Soviet Strategic Rocket Forces, usedWeaponSystem, SS-5 Skean MRBM]
-
A.
Vanguard-class ballistic missile submarines
Vanguard-class ballistic missile submarines are the United Kingdom’s nuclear-powered, nuclear-armed submarines that form the seaborne leg of its strategic deterrent force.
-
B.
Trident II D5 missile
The Trident II D5 missile is a submarine-launched, nuclear-capable ballistic missile used by the U.S. and U.K. navies as a key component of their strategic deterrent forces.
-
C.
SM-65 Atlas
The SM-65 Atlas was the United States’ first operational intercontinental ballistic missile, later adapted as a pioneering space launch vehicle in the early space program.
-
D.
Columbia-class submarine
The Columbia-class submarine is the U.S. Navy’s next-generation nuclear-powered ballistic missile submarine designed to replace the aging Ohio-class as the backbone of America’s sea-based nuclear deterrent.
-
E.
Astute-class submarine
The Astute-class submarine is a fleet of advanced nuclear-powered attack submarines built for the Royal Navy, known for their stealth, endurance, and sophisticated weapons and sensor systems.
- 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: SS-5 Skean MRBM Target entity description: The SS-5 Skean MRBM was a Soviet medium-range ballistic missile deployed during the Cold War for nuclear delivery against intermediate-distance targets.
-
A.
Vanguard-class ballistic missile submarines
Vanguard-class ballistic missile submarines are the United Kingdom’s nuclear-powered, nuclear-armed submarines that form the seaborne leg of its strategic deterrent force.
-
B.
Trident II D5 missile
The Trident II D5 missile is a submarine-launched, nuclear-capable ballistic missile used by the U.S. and U.K. navies as a key component of their strategic deterrent forces.
-
C.
SM-65 Atlas
The SM-65 Atlas was the United States’ first operational intercontinental ballistic missile, later adapted as a pioneering space launch vehicle in the early space program.
-
D.
Columbia-class submarine
The Columbia-class submarine is the U.S. Navy’s next-generation nuclear-powered ballistic missile submarine designed to replace the aging Ohio-class as the backbone of America’s sea-based nuclear deterrent.
-
E.
Astute-class submarine
The Astute-class submarine is a fleet of advanced nuclear-powered attack submarines built for the Royal Navy, known for their stealth, endurance, and sophisticated weapons and sensor systems.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
Soviet ballistic missile
ⓘ
medium-range ballistic missile ⓘ nuclear delivery system ⓘ |
| classification | strategic missile ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| deploymentMode |
fixed launch site
ⓘ
silo-based ⓘ surface launch pad ⓘ |
| deploymentPeriod |
1960s
ⓘ
1970s ⓘ |
| developedBy | Soviet missile design bureaus ⓘ |
| era | Cold War era weapon ⓘ |
| fuelComponents | storable liquid propellants ⓘ |
| GRAUIndex | 8K65 ⓘ |
| guidanceType | inertial guidance ⓘ |
| historicalSignificance | early Soviet intermediate-range nuclear missile ⓘ |
| intendedTargets |
NATO targets in Europe
ⓘ
intermediate-distance strategic targets ⓘ |
| launchPreparationTime | relatively long compared to solid-fuel MRBMs ⓘ |
| NATOReportingName | Skean ⓘ |
| numberOfStages | 1 ⓘ |
| payloadType | nuclear warhead ⓘ |
| primaryRole | nuclear strike against intermediate-range targets ⓘ |
| propellantType | liquid fuel ⓘ |
| range |
approximately 2000 nautical miles
ⓘ
approximately 3700 kilometers ⓘ |
| rangeCategory | medium-range ballistic missile ⓘ |
| serviceEntry | 1960 ⓘ |
| SovietDesignation | R-14 ⓘ |
| status | retired ⓘ |
| strategicRole |
deterrence
ⓘ
theater-level nuclear strike ⓘ |
| successorRole | superseded by more modern Soviet MRBMs and IRBMs ⓘ |
| treatyRelevance | subject to strategic arms limitation and reduction discussions ⓘ |
| usedBy | Soviet Strategic Rocket Forces ⓘ |
| usedInConflict | Cold War ⓘ |
| warheadType |
nuclear
ⓘ
single 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: SS-5 Skean MRBM Description of subject: The SS-5 Skean MRBM was a Soviet medium-range ballistic missile deployed during the Cold War for nuclear delivery against intermediate-distance targets.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.