Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Vulcan VC6L United Launch Alliance × remove | Vostok 8A92M RKK Energiya × remove | Voskhod Soviet Space Program × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove |
|---|---|---|---|---|
| Flights | 0 | 93 | 299 | 714 |
| Success rate | — | 98.9% | 95.7% | 97.2% |
| Thrust | 18,110 kN | 3,996 kN | — | — |
| Height | 67.4 m | 30.84 m | — | 51.1 m |
| Diameter | 5.4 m | 2.99 m | — | 2.95 m |
| Launch mass | 877 t | 282 t | — | 313 t |
| LEO capacity | 27,200 kg | 3,800 kg | — | 6,900 kg |
| GTO capacity | 15,300 kg | — | — | — |
| Launch cost | — | — | — | — |
| Reusable | No | No | No | No |
| Stages | 2 | 2 | — | 3 |