R-29RM Shtil

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Type Strategic SLBM
Service history
In service since 1986
Used by Soviet Union / Russia
Production history
Designer Makeyev Rocket Design Bureau
Manufacturer Krasnoyarsk Machine-Building Plant
Weight 40.3 tonnes
Length 14.8 metres
Diameter 1.9 m
Warhead The payload (2800 kg) is capable of carrying ten 100 kT yield MIRV warheads, though only a four MIRV warhead version entered production.
Blast yield 200 kt each [1]

Engine three-stage liquid-propellant rocket
8,300 kilometres (5,200 mi)

The R-29RM Shtil[2] (NATO designation SS-N-23 Skiff) is a liquid propellant, submarine-launched ballistic missile in use by the Russian Navy. It has the alternate Russian designations RSM-54 and 3M27.[3] It is designed to be launched from the Delta IV submarine, each of which is capable of carrying 16 missiles.

Operation Behemoth[edit]

On 6 August 1991 at 21:09 Novomoskovsk, under the command of Captain Second Rank Sergey Yegorov, became the world's only submarine to successfully launch an all-missile salvo, launching 16 R-29RM (RSM-54) ballistic missiles of total weight of almost 700 tons in 244 seconds (operation code name "Behemoth-2"). The first and the last missiles hit their targets; the remaining missiles were intentionally caused to self-destruct in flight.

Previously, the largest number of missiles launched from a submerged SSBN was four Trident II missiles.


The R-29RM carries four 100 kiloton warheads and has a range of about 8,500 kilometres (5,300 mi).[4]

End of service[edit]

The last boat carrying R-29RM, K-51 Verkhoturye, went into refit to be rearmed with the newer R-29RMU Sineva on 23 August 2010. [5]


 Soviet Union


External links[edit]