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 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.