SS-N-23
Encyclopedia
The R-29RM Shtil is a liquid propellant, submarine-launched ballistic missile
Submarine-launched ballistic missile
A submarine-launched ballistic missile is a ballistic missile capable of delivering a nuclear warhead that can be launched from submarines. Modern variants usually deliver multiple independently targetable reentry vehicles each of which carries a warhead and allows a single launched missile to...

 in use by Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. It has the alternate Russian designations RSM-54 and 3M27. It is designed to be launched from the Russian Delta IV
Delta class submarine
The Delta class is a class of submarines which formed the backbone of the Soviet and Russian strategic submarine fleet since its introduction in 1973...

 submarine, each of which is capable of carrying 16 missiles.

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
Salvo
A salvo is the simultaneous discharge of artillery or firearms including the firing of guns either to hit a target or to perform a salute.Troops armed with muzzleloaders required time in which to refill their arms with gun powder and shot...

, launching 16 R-29RM (RSM-54) ballistic missiles of total weight of almost 700 tons at an interval of several seconds (operation code name "Behemoth-2"
Operation Behemoth
Operation Behemoth-1, Behemoth-2 were military exercises held by the Soviet Northern Fleet in 1989 and 1991. Behemoth-2 was the first time ever when a ballistic missile submarine launched all of its missiles at once.- Behemoth-1 :...

). The first and the last missiles hit their targets successfully, while the others were self-destroyed in the air according to the plan.

The R-29RM carries four 100 kiloton warheads and has a range of about 8500 kilometres (5,281.7 mi). A derivative, the R-29RMU Sineva
R-29RMU Sineva
The R-29RMU Sineva , also designated RSM-54,is a Russian liquid-fuelled submarine-launched ballistic missile. It has the GRAU index 3M27, and is identified by NATO as the SS-N-23 Skiff...

, entered service in 2007. The last ship with R-29RM, K-51 Verkhoturye, went into overhaul for rearming with R-29RMU on 23 Aug 2010.

Operation Behemoth

Operation Behemoth
Operation Behemoth
Operation Behemoth-1, Behemoth-2 were military exercises held by the Soviet Northern Fleet in 1989 and 1991. Behemoth-2 was the first time ever when a ballistic missile submarine launched all of its missiles at once.- Behemoth-1 :...

 entailed SSBN K-407 Novomoskovsk launching its full ammunition load of 16 missiles, the first
such test in the world. Previously the largest number of missiles launched from a submerged SSBN was 4 Trident-2 missiles.

External links

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