R-29 (missile)

The R-29 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
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
Number of Standard Warheads: 3
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
Number of Standard Warheads: 7
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
Number of Standard Warheads: 1
Number of stages: 2

Operators

;

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 ballistic missile submarines:
Delta IV class has 16 per ship.
* K-51
* K-114
* K-18
* K-407

Former operators

;
;* Soviet Navy