SS-4 Sandal MRBM
E222056
The SS-4 Sandal was a Soviet medium-range ballistic missile deployed during the Cold War, best known for its role in the Cuban Missile Crisis as a nuclear-capable delivery system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SS-4 Sandal MRBM canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1991509 — 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-4 Sandal MRBM Context triple: [Soviet Strategic Rocket Forces, usedWeaponSystem, SS-4 Sandal MRBM]
-
A.
M-45
M-45 is a state highway in Michigan that runs east–west through the Grand Rapids area toward the Lake Michigan shoreline.
-
B.
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.
-
C.
Redstone rocket
The Redstone rocket was an early American ballistic missile adapted by NASA as a reliable launch vehicle for the first crewed Mercury spaceflights.
-
D.
SS-383
SS-383 is the hull number of USS Pampanito, a World War II-era Balao-class submarine now preserved as a museum ship in San Francisco.
-
E.
USSF-44
USSF-44 is a classified U.S. Space Force national security mission launched on a Falcon Heavy rocket to deploy military payloads into geostationary orbit.
- 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-4 Sandal MRBM Target entity description: The SS-4 Sandal was a Soviet medium-range ballistic missile deployed during the Cold War, best known for its role in the Cuban Missile Crisis as a nuclear-capable delivery system.
-
A.
M-45
M-45 is a state highway in Michigan that runs east–west through the Grand Rapids area toward the Lake Michigan shoreline.
-
B.
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.
-
C.
Redstone rocket
The Redstone rocket was an early American ballistic missile adapted by NASA as a reliable launch vehicle for the first crewed Mercury spaceflights.
-
D.
SS-383
SS-383 is the hull number of USS Pampanito, a World War II-era Balao-class submarine now preserved as a museum ship in San Francisco.
-
E.
USSF-44
USSF-44 is a classified U.S. Space Force national security mission launched on a Falcon Heavy rocket to deploy military payloads into geostationary orbit.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Soviet ballistic missile
ⓘ
medium-range ballistic missile ⓘ nuclear-capable missile ⓘ |
| allianceContext | Warsaw Pact strategic forces ⓘ |
| associatedEvent | U.S.–Soviet nuclear standoff of 1962 ⓘ |
| capability | delivery of high-yield nuclear warheads ⓘ |
| category | Cold War ballistic missiles of the Soviet Union ⓘ |
| classification | surface-to-surface missile ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| deploymentEra | Cold War ⓘ |
| deploymentMode | pre-surveyed fixed launch sites ⓘ |
| deploymentRegion |
Cuba
ⓘ
Soviet Union ⓘ |
| deploymentType |
fixed-site
ⓘ
land-based ⓘ |
| era |
1950s technology
ⓘ
1960s deployment ⓘ |
| GRAUIndex | 8K63 ⓘ |
| guidanceType | inertial guidance ⓘ |
| historicalSignificance |
central to U.S. reconnaissance and intelligence efforts during Cuban Missile Crisis
ⓘ
key element of Soviet nuclear posture in early 1960s ⓘ |
| inServiceDuring | early 1960s ⓘ |
| intelligenceDesignation | Soviet MRBM in U.S. intelligence reporting ⓘ |
| launchPlatform |
silo-based launchers
ⓘ
surface launch pads ⓘ |
| missionProfile | intermediate-range nuclear strike against strategic targets ⓘ |
| NATOReportingName | SS-4 Sandal ⓘ |
| notableFor |
deployment in Cuba in 1962
ⓘ
triggering the Cuban Missile Crisis ⓘ |
| operatedBy |
Soviet armed forces
ⓘ
surface form:
Soviet military
|
| opposedBy |
NATO
ⓘ
surface form:
North Atlantic Treaty Organization
|
| propellantType | liquid-fueled ⓘ |
| rangeClass | medium-range ⓘ |
| riskCategory | strategic nuclear risk system ⓘ |
| role |
nuclear delivery system
ⓘ
strategic missile ⓘ |
| SovietDesignation | R-12 ⓘ |
| stageCount | single-stage ⓘ |
| strategicRole |
deterrence
ⓘ
theater-level nuclear strike ⓘ |
| technologyBase | early Soviet liquid-fuel rocket technology ⓘ |
| threatPerception | considered a major threat to NATO countries ⓘ |
| treatyRelevance | subject of arms control and disarmament discussions ⓘ |
| usedBy | Soviet Union ⓘ |
| usedInConflict | Cuban Missile Crisis ⓘ |
| user | Soviet Strategic Rocket Forces ⓘ |
| warheadType | nuclear warhead capable ⓘ |
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-4 Sandal MRBM Description of subject: The SS-4 Sandal was a Soviet medium-range ballistic missile deployed during the Cold War, best known for its role in the Cuban Missile Crisis as a nuclear-capable delivery system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.