On September 16, 1955 for the first time in the world the R-11FM ballistic missile designed at S. Korolyov OKB-1 was launched from a submarine.
A problem of paramount importance was solved - attainability of enemy's territory and targets with ballistic missiles was demonstrated.
Ground-based missiles were modified and new missiles were designed to be launched from diesel and nuclear-powered submarines.
Underwater launch was realized, the basic condition for concealability and invulnerability of submarines.
A cooperation of ballistic missile developers, manufacturers and testing specialists was established.
Deployment of sea-based strategic nuclear forces was initiated.
In 1962 there was completed the development of the R-17 mobile tactical missile, well known as SCUD B, that was used by the armies of a number of countries over a period of a few decades.
SCUD B missile prelaunch preparation
SS-N-5 missile submarine | 
