SS-N-6 Serb (R-27) Country: Russia Type: SLBM Introduction: 1968

The R-27 was a submarine-launched ballistic missile (SLBM) developed by the Soviet Union and employed by the Soviet Navy from 1968 through 1988. NATO assigned the missile the reporting name SS-N-6 Serb. The R-27 was a liquid fuel rocket. R-27 missiles were deployed on the Yankee I submarines.

General Information
Developed by	Soviet Union
Deployed by	Soviet Union
Development Year	1962(R-27), 1971(R-27U)
Deployment Year	1968, 1974
Retirement Year	1988, 1994
Platform	Yankee I class submarines(Project 667A/667AU) with 16 missiles
Design	SKB-385
Manufacturer	Zlatoust Machine-Building Plant, Krasnoyarsk Machine-Building Plant

Dimensions and Performance
Length	9.65m, 7.1m (without warhead)
Body Diameter	1.5m
Launch Weight	14,200kg
Range	2,400km (R-27), 3,000km (R-27U)
Accuracy	1.9km CEP(R-27), 1.3-1.8km CEP(R-27U)

Components
Propulsion	1-stage liquid-fuel rocket motor
Engine	Isayev 4D10
Payload	single warhead or 3-warheads 650kg
Warhead	1x1MT(R-27), 1x1MT(R-27U Mod 1), 3x200kT(R-27U Mod 3)
Guidance	inertial