R-39 RIF / SS-N-20 “STURGEON”

In 1983 the USSR put into service the R-39 Rif or SS-N-20 Sturgeon SLBM missile according to the NATO designation. It was the first Soviet type SLBM missile with solid-fuel propulsion armed with a warhead composed of MIRVs, (multiple independent targeting reentry vehicle), with ability to attack independent targets. Its development began in 1971, but after problems with the solid-fuel boost engines, test flights did not arrive until 1980, resulting in four of them failed and two successful. The SS-N-20 was the main armament of the Typhoon class submarines and a test submarine from the Golf V class. 120 missiles were built, which together had 1,200 MIRVs warheads of between 100 and 200kt each. In 2004 they withdrew from service along with almost all Typhoon submarines.

R-39 / SS-N-20 gallery and more info

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Country of origin

Soviet Union

Builder

Zlatoust Machine Building Plant

Type

Submarine launched ballistic missile (SLBM)

Entered service

1983

Missile/bomb dimensions, (length x diameter)

16.10 x 2.40 meters

Missile/bomb weight

84,000 kg

Missile range

8,300 km

Guidance system

Inertial

Warhead, (explosive charge)

10 x MIRV of 100 to 200 Kt each

Yield, (maximum)

Total: 1 to 2 Megatons

C.E.P., (circular error probability)

600 meters

Production

120