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R-29RM Shtil/RSM-54 | |
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Type | SLBM |
Service history | |
In service | 1986–2010 |
Used by | Soviet Navy Russian Navy |
Production history | |
Designer | Makeyev Rocket Design Bureau |
Manufacturer | Krasnoyarsk Machine-Building Plant |
Specifications | |
Mass | 40.3 tonnes[1] |
Length | 14.8 metres[1] |
Diameter | 1.9 m[1] |
Warhead | The payload (2800 kg) was capable of carrying ten 100 kT yield MIRV warheads, though only a four MIRV warhead version entered production. |
Blast yield | 200 kt each[2] |
Engine | Three-stage liquid fueled stages using N2O4/UDMH propellant[3] |
Operational range | 8,300 kilometres (5,200 mi)[1] |
Guidance system | Astroinertial[1] |
Accuracy | CEP 500 metres[1] |
The R-29RM Shtil[4] (Russian: Штиль, lit. "Calmness", NATO reporting name SS-N-23 Skiff) was a liquid propellant, submarine-launched ballistic missile in use by the Russian Navy. It had the alternate Russian designations RSM-54 and GRAU index 3M27.[5] It was designed to be launched from the Delta IV submarine, each of which is capable of carrying 16 missiles. The R-29RM could carry four 100 kiloton warheads and had a range of about 8,500 kilometres (5,300 mi).[6] They were replaced with the newer R-29RMU2 Sineva and later with the enhanced variant R-29RMU2.1 Layner.