R-29 Vysota Р-29 Высота (height, altitude) is a family of Soviet submarine-launched ballistic missiles, designed by Makeyev Rocket Design Bureau. All variants use astro-inertial guidance systems. Variants R-29 Deployment date: 1974 Manufacturer designation: 4K75 DoD designation: SS-N-8 Mod 1 ASCC designation: "Sawfly" SALT designation: RSM-40 Submarine: Delta I and Delta II Total Mass: 32,800 kg Core Diameter: 1.80 m Total Length: 13.20 m Span: 1.80 m Payload: 1100 kg Maximum range: 7,700 km (4,784 miles) Number of Standard Warheads: 1 Number of stages: 2 R-29R Deployment date: 1978 Manufacturer designation: 4K75R DoD designation: SS-N-18 Mod 1 ASCC designation: "Stingray" SALT designation: RSM-50 Submarine: Delta III Total Mass: 35,300 kg Core Diameter: 1.80 m Total Length: 14.40 m Span: 1.80 m Payload: 1650 kg Maximum range: 6,500 km (4,038 miles) Number of Standard Warheads: 3 (500 kt) Number of stages: 2 R-29RK Manufacturer designation: 4K75RK DoD designation: SS-N-18 Mod 2 ASCC designation: "Stingray" SALT designation: RSM-50 Submarine: Delta III Total Mass: 34,388 kg Core Diameter: 1.80 m Total Length: 14.40 m Span: 1.80 m Maximum range: 6,500 km (4,038 miles) Number of Standard Warheads: 7 (100 kt) Number of stages: 2 R-29RL Manufacturer designation: 4K75RL DoD designation: SS-N-18 Mod 3 ASCC designation: "Stingray" SALT designation: RSM-50 Submarine: Delta III Total Mass: 35,300 kg Core Diameter: 1.80 m Total Length: 14.09 m Span: 1.80 m Maximum range: 9,000 km (5,592 miles) Number of Standard Warheads: 1 (450 kt) Number of stages: 2 R-29RM R-29RMU R-29RMU2 Operators The Russian Navy is the only operator of the R-29 missile family. Modernized and active variants are the R-29R, R-29RMU Sineva and R-29RMU2 Layner. As of 2019, 80 R-29RMU/RMU2 and 16 R-29R missiles were deployed on the ballistic missile submarines: Former operators Soviet Navy See also RSM-56 Bulava Kanyon UGM-133 Trident II M45 (missile) M51 (missile) JL-1 JL-2 K Missile family Pukkuksong-1 R-39 Rif R-39M References External links CSIS Missile Threat - SS-N-18 FAS guide on the R-29R FAS guide on the R-29RM State Rocket Company Makayev Cold War submarine-launched ballistic missiles of the Soviet Union Submarine-launched ballistic missiles of Russia Makeyev Rocket Design Bureau MIRV capable missiles Military equipment introduced in the 1970s