|In service||since 1986|
|Used by||Soviet Union / Russia|
|Manufacturer||Krasnoyarsk Machine-Building Plant|
|Blast yield||100 kt each|
|Engine||three-stage liquid propellant|
|8,300 kilometres (5,200 mi)|
The R-29RM Shtil (NATO designation SS-N-23 Skiff) is a liquid propellant, submarine-launched ballistic missile in use by Russia. It has the alternate Russian designations RSM-54 and 3M27. It is designed to be launched from the Russian Delta IV 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, 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 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 8,500 kilometres (5,300 mi). A derivative, the R-29RMU Sineva, entered service in 2007. The last boat with R-29RM, K-51 Verkhoturye, went into overhaul for rearming with R-29RMU on 23 Aug 2010.
Operation Behemoth 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.
- Soviet Union
- IDB RSM-54 (R-29RM) 3M37, SS-N-23 "Skiff" (Russian)
- Russian nuclear delivery systems at the Center for Defense Information
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