SA-2 Guideline
E158387
SA-2 Guideline is a Soviet-designed, high-altitude, surface-to-air missile system widely deployed during the Cold War and famously used to shoot down the U-2 spy plane in 1960.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SA-2 Guideline canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T1371746 — 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: SA-2 Guideline Context triple: [S-75 Dvina, NATOReportingName, SA-2 Guideline]
-
A.
GAC Principles and Guidelines
GAC Principles and Guidelines are a set of policy frameworks and best-practice recommendations developed to guide governments’ participation and advice on public policy issues related to the global Domain Name System within ICANN.
-
B.
SA2
SA2 is a 3GPP working group responsible for defining the overall system architecture and functional specifications of mobile communication networks.
-
C.
Directorate of Standards and Guidance
The Directorate of Standards and Guidance is a division of the U.S. Occupational Safety and Health Administration responsible for developing, interpreting, and issuing workplace safety and health standards and related guidance.
-
D.
SA3
SA3 is the 3GPP security working group responsible for specifying and evolving security architecture and mechanisms across mobile communication standards.
-
E.
ISO Guide 73
ISO Guide 73 is an international standard that provides a consistent set of risk management terminology and definitions to support the implementation and understanding of risk management standards like ISO 31000.
- 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: SA-2 Guideline Target entity description: SA-2 Guideline is a Soviet-designed, high-altitude, surface-to-air missile system widely deployed during the Cold War and famously used to shoot down the U-2 spy plane in 1960.
-
A.
GAC Principles and Guidelines
GAC Principles and Guidelines are a set of policy frameworks and best-practice recommendations developed to guide governments’ participation and advice on public policy issues related to the global Domain Name System within ICANN.
-
B.
SA2
SA2 is a 3GPP working group responsible for defining the overall system architecture and functional specifications of mobile communication networks.
-
C.
Directorate of Standards and Guidance
The Directorate of Standards and Guidance is a division of the U.S. Occupational Safety and Health Administration responsible for developing, interpreting, and issuing workplace safety and health standards and related guidance.
-
D.
SA3
SA3 is the 3GPP security working group responsible for specifying and evolving security architecture and mechanisms across mobile communication standards.
-
E.
ISO Guide 73
ISO Guide 73 is an international standard that provides a consistent set of risk management terminology and definitions to support the implementation and understanding of risk management standards like ISO 31000.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Soviet military equipment
ⓘ
surface-to-air missile system ⓘ |
| altitudeCapability | high-altitude ⓘ |
| conflict | Cold War ⓘ |
| controlSystem | ground-based radar command guidance ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| deployment |
fixed sites
ⓘ
semi-mobile launchers ⓘ |
| deploymentEnvironment | ground-based ⓘ |
| designedBy | Soviet design bureaus ⓘ |
| designedFor | high-altitude air defense ⓘ |
| era | Cold War ⓘ |
| exportedTo |
China
ⓘ
Cuba ⓘ Egypt ⓘ Democratic Republic of Vietnam ⓘ
surface form:
North Vietnam
numerous other Soviet-aligned states ⓘ |
| guidanceType | command-guided ⓘ |
| influenceOn |
development of electronic countermeasures
ⓘ
subsequent Western aircraft tactics ⓘ |
| introducedInPeriod | late 1950s ⓘ |
| launchPlatform | ground launcher ⓘ |
| NATOReportingName | SA-2 Guideline self-link ⓘ |
| notableEvent | shootdown of U-2 spy plane in 1960 ⓘ |
| notableImpact | demonstrated vulnerability of high-altitude reconnaissance aircraft ⓘ |
| notableTarget | Lockheed U-2 ⓘ |
| originLanguageDesignation |
S-75 Dvina (SA-2 Guideline) missile
ⓘ
surface form:
S-75 Dvina
|
| primaryUsers | Soviet Air Defense Forces ⓘ |
| propulsion | two-stage solid-fuel rocket ⓘ |
| radarSupport |
Fan Song fire-control radar
ⓘ
Spoon Rest early warning radar ⓘ
surface form:
P-12 Spoon Rest early warning radar
|
| rangeCategory | medium-to-long range ⓘ |
| role | air defense ⓘ |
| strategicRole |
defense against bombers
ⓘ
defense against strategic reconnaissance aircraft ⓘ |
| targetType | aircraft ⓘ |
| usedBy |
Soviet Union
ⓘ
Warsaw Pact ⓘ various allied states of the Soviet Union ⓘ |
| usedIn |
Arab–Israeli conflict
ⓘ
surface form:
Arab–Israeli conflicts
Iran–Iraq War ⓘ Six-Day War ⓘ Vietnam War ⓘ War of Attrition ⓘ Yom Kippur War ⓘ various regional conflicts during the Cold War ⓘ |
| warheadType | high-explosive fragmentation ⓘ |
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: SA-2 Guideline Description of subject: SA-2 Guideline is a Soviet-designed, high-altitude, surface-to-air missile system widely deployed during the Cold War and famously used to shoot down the U-2 spy plane in 1960.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
S-75 Dvina