R-21 submarine-launched ballistic missile program
E1092121
UNEXPLORED
The R-21 submarine-launched ballistic missile program was a Soviet-era naval strategic weapons initiative that developed and deployed early SLBMs to enhance the USSR’s sea-based nuclear deterrent.
All labels observed (1)
| Label | Occurrences |
|---|---|
| R-21 submarine-launched ballistic missile program canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13692948 — 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: R-21 submarine-launched ballistic missile program Context triple: [Soviet missile program, hasPart, R-21 submarine-launched ballistic missile program]
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A.
R-27 submarine-launched ballistic missile program
The R-27 submarine-launched ballistic missile program was a Soviet-era initiative to develop and deploy a new generation of nuclear-armed ballistic missiles for use on submarines during the Cold War.
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B.
R-29 submarine-launched ballistic missile program
The R-29 submarine-launched ballistic missile program was a Soviet-era strategic weapons initiative that developed long-range SLBMs for deployment on nuclear-powered ballistic missile submarines as part of the USSR’s sea-based nuclear deterrent.
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C.
R-31 submarine-launched ballistic missile program
The R-31 submarine-launched ballistic missile program was a Soviet-era naval strategic weapons initiative focused on developing and deploying solid-fueled ballistic missiles for submarines.
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D.
R-11 Zemlya missile program
The R-11 Zemlya missile program was an early Soviet short-range ballistic missile development effort that laid groundwork for later tactical and strategic missile systems.
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E.
R-13 submarine-launched ballistic missile program
The R-13 submarine-launched ballistic missile program was a Soviet-era naval strategic weapons initiative that developed and deployed early SLBMs to enhance the USSR’s sea-based 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: R-21 submarine-launched ballistic missile program Target entity description: The R-21 submarine-launched ballistic missile program was a Soviet-era naval strategic weapons initiative that developed and deployed early SLBMs to enhance the USSR’s sea-based nuclear deterrent.
-
A.
R-27 submarine-launched ballistic missile program
The R-27 submarine-launched ballistic missile program was a Soviet-era initiative to develop and deploy a new generation of nuclear-armed ballistic missiles for use on submarines during the Cold War.
-
B.
R-29 submarine-launched ballistic missile program
The R-29 submarine-launched ballistic missile program was a Soviet-era strategic weapons initiative that developed long-range SLBMs for deployment on nuclear-powered ballistic missile submarines as part of the USSR’s sea-based nuclear deterrent.
-
C.
R-31 submarine-launched ballistic missile program
The R-31 submarine-launched ballistic missile program was a Soviet-era naval strategic weapons initiative focused on developing and deploying solid-fueled ballistic missiles for submarines.
-
D.
R-11 Zemlya missile program
The R-11 Zemlya missile program was an early Soviet short-range ballistic missile development effort that laid groundwork for later tactical and strategic missile systems.
-
E.
R-13 submarine-launched ballistic missile program
The R-13 submarine-launched ballistic missile program was a Soviet-era naval strategic weapons initiative that developed and deployed early SLBMs to enhance the USSR’s sea-based nuclear deterrent.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.