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R-7 Block A stage series
| YaKhR-2 Strap-on LOx/Kerosene propellant rocket stage. R-7 strap-ons increased in size dimensionally 50%, equipped with 6 engines from R-9. Boost nuclear thermal core stage to altitude before ignition of nuclear engine. Masses calculated based on vehicle total weight and performance. |
| Sputnik 8K71PS-1 LOx/Kerosene propellant rocket stage. . |
| Luna 8K72-1 LOx/Kerosene propellant rocket stage. . |
| Vostok 8K72-1 LOx/Kerosene propellant rocket stage. . |
| R-7 8K71-1 LOx/Kerosene propellant rocket stage. . |
| Vostok 8K72K-1 LOx/Kerosene propellant rocket stage. . |
| Molniya 8K78-1 LOx/Kerosene propellant rocket stage. . |
| R-7A 8K74-1 LOx/Kerosene propellant rocket stage. . |
| Vostok 8A92-1 LOx/Kerosene propellant rocket stage. . |
| R-9A Stage 1 LOx/Kerosene propellant rocket stage. Payload 3,500 kg. Range 13,000 km. Accuracy (90%) 8 km in range and 5 km in dispersion with radio guidance; 20 km / 10 km with inertial guidance. Empty mass estimated. |
| Soyuz 11A511-1 LOx/Kerosene propellant rocket stage. . |
| Voskhod 11A57-1 LOx/Kerosene propellant rocket stage. . |
| Vostok 8A92M-1 LOx/Kerosene propellant rocket stage. . |
| Soyuz 11A511U2-1 LOx/Kerosene propellant rocket stage. . |
| Soyuz 11A511U-1 LOx/Kerosene propellant rocket stage. Current version. Gross mass includes 2600 kg of hydrogen peroxide and 520 kg of liquid nitrogen expended during ascent but not contributing to propulsion. |
| Soyuz M-1 LOx/Kerosene propellant rocket stage. Proposed improved version. Not developed. |
| Molniya 8K78M-1 LOx/Kerosene propellant rocket stage. . |
| Soyuz ST-1 LOx/Kerosene propellant rocket stage. Gross mass includes 2600 kg of hydrogen peroxide and 520 kg of liquid nitrogen expended during ascent but not contributing to propulsion. |
| Sputnik 8A91-1 LOx/Kerosene propellant rocket stage. . |
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