R-29 Vysota/RSM-40
Type	SLBM
Place of origin	Soviet Union/Russia
Service history
In service	1974–present
Used by	Russian Navy
Production history
Designer	Makeyev Rocket Design Bureau
Specifications
Mass	32,800 kg (72,300 lb)
Length	13.2 m (43 ft)
Diameter	1.8m
Propellant	liquid[1]
Guidance system	astro-inertial

R-29 Vysota (Russian: Р-29 Высота, lit. 'height') is a family of Soviet submarine-launched ballistic missiles, designed by Makeyev Rocket Design Bureau. All variants use astro-inertial guidance systems.^[2]

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

^{[citation needed]}

• Deployment date: 1978 ^[3]
• 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) ^[3]
• Number of stages: 2

R-29RK

^{[citation needed]}

• 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

^{[citation needed]}

• 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)^[4]
• Number of stages: 2

R-29RM

R-29RMU

R-29RMU2

Operators

 Russia

• The Russian Navy is the only operator of the R-29 missile family. Modernized and active variants are the R-29RMU Sineva and R-29RMU2 Layner. As of 2023, 64 R-29RMU/RMU2 on Delta-class ballistic missile submarines:^[5][6]
• Delta IV class has 16 (R-29RMU/RMU2) per ship.
  • K-51 Verkhoturye
  • K-114 Tula
  • K-18 Karelia
  • K-407 Novomoskovsk

Former operators

 Soviet Union

• Soviet Navy