S-75 Dvina (SA-2 Guideline) missile

E30126

Soviet military equipment surface-to-air missile system

The S-75 Dvina (SA-2 Guideline) is a Soviet-era, high-altitude, surface-to-air missile system widely deployed during the Cold War and known for shooting down several Western reconnaissance and combat aircraft.

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All labels observed (17)

Label	Occurrences
S-75 Dvina	14
S-75 Dvina surface-to-air missile system	2
S-75 Desna system	1
S-75 Dvina (SA-2 Guideline) missile canonical	1
S-75 Dvina air defense system	1
S-75 Dvina launcher	1
S-75 Dvina system	1
S-75 SAM battery	1
S-75 air defense system	1
S-75 surface-to-air missile system	1
S-75M Volga variant	1
S-75M Volkhov system	1
SA-2 Guideline surface-to-air missile	1
SA-2 Guideline surface-to-air missile system	1
SA-2 Guideline surface-to-air missiles	1
SA-2 Samson	1
SA-2 missile	1

How this entity was disambiguated

This entity first appeared as the object of triple T235251 — 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: S-75 Dvina (SA-2 Guideline) missile
Context triple: [U-2 incident of 1960, weaponType, S-75 Dvina (SA-2 Guideline) missile]

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. Scud missiles
Scud missiles are Soviet-designed short-range ballistic missiles that gained widespread notoriety for their use by Iraq to attack coalition and civilian targets during the Gulf War.
C. Brimstone missile
The Brimstone missile is a British air-launched, precision-guided anti-armor and multi-role strike weapon designed for high accuracy against moving and static targets with minimal collateral damage.
D. ASRAAM short-range air-to-air missile
The ASRAAM is a modern, high-speed, highly agile infrared-guided short-range air-to-air missile designed for close-combat engagements by advanced fighter aircraft.
E. AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic 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: S-75 Dvina (SA-2 Guideline) missile
Target entity description: The S-75 Dvina (SA-2 Guideline) is a Soviet-era, high-altitude, surface-to-air missile system widely deployed during the Cold War and known for shooting down several Western reconnaissance and combat aircraft.

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. Scud missiles
Scud missiles are Soviet-designed short-range ballistic missiles that gained widespread notoriety for their use by Iraq to attack coalition and civilian targets during the Gulf War.
C. Brimstone missile
The Brimstone missile is a British air-launched, precision-guided anti-armor and multi-role strike weapon designed for high accuracy against moving and static targets with minimal collateral damage.
D. ASRAAM short-range air-to-air missile
The ASRAAM is a modern, high-speed, highly agile infrared-guided short-range air-to-air missile designed for close-combat engagements by advanced fighter aircraft.
E. AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic missile threats.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	Soviet military equipment ⓘ surface-to-air missile system ⓘ
configuration	two-stage missile ⓘ
countryOfOrigin	Soviet Union ⓘ
deployment	fixed site ⓘ semi-mobile ⓘ
designedBy	Soviet Union ⓘ
era	Cold War ⓘ
exportedTo	Asian countries ⓘ Middle Eastern countries ⓘ Warsaw Pact countries ⓘ
guidance	command guidance ⓘ radio command ⓘ
introduced	1957 ⓘ
launchPlatform	ground-based launcher ⓘ
maxEngagementAltitude	approximately 25 kilometers ⓘ
maxRange	approximately 30–45 kilometers ⓘ
NATOReportingName	SA-2 Guideline ⓘ
notableEvent	shootdown of U-2 spy plane piloted by Francis Gary Powers ⓘ
notableEventDate	1960-05-01 ⓘ
notableUse	shootdown of Taiwanese and US reconnaissance aircraft ⓘ shootdown of multiple US aircraft over North Vietnam ⓘ
primaryTarget	high-altitude aircraft ⓘ
propulsion	liquid-fuel sustainer ⓘ solid-fuel booster ⓘ two-stage rocket ⓘ
radarAssociation	Fan Song fire-control radar ⓘ Spoon Rest early warning radar ⓘ
role	air defense ⓘ
serviceEntry	late 1950s ⓘ
successor	S-125 Neva/Pechora ⓘ S-200 Angara/Vega/Dubna ⓘ
type	high-altitude air defense system ⓘ
usedBy	Cuban Revolutionary Armed Forces ⓘ linked to: Revolutionary Armed Forces of Cuba Egyptian Air Defense Forces ⓘ Iraqi Air Defense ⓘ linked to: Iraqi Air Force North Korean Air Defense Forces ⓘ linked to: Korean People's Army Soviet Air Defense Forces ⓘ Syrian Air Defense Forces ⓘ Vietnam People's Air Force ⓘ linked to: People's Army of Vietnam
usedInConflict	Cuban Missile Crisis ⓘ Gulf War ⓘ Iran–Iraq War ⓘ Six-Day War ⓘ Vietnam War ⓘ War of Attrition ⓘ Yom Kippur War ⓘ
warheadFuzing	command detonation ⓘ proximity fuze ⓘ
warheadType	high-explosive fragmentation ⓘ

How these facts were elicited