Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Vulcan VC2S United Launch Alliance × remove | Voskhod Soviet Space Program × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove |
|---|---|---|---|
| Flights | 2 | 299 | 714 |
| Success rate | 100% | 95.7% | 97.2% |
| Thrust | 9,303 kN | — | — |
| Height | 61.6 m | — | 51.1 m |
| Diameter | 5.4 m | — | 2.95 m |
| Launch mass | 663 t | — | 313 t |
| LEO capacity | 19,000 kg | — | 6,900 kg |
| GTO capacity | 8,400 kg | — | — |
| Launch cost | — | — | — |
| Reusable | No | No | No |
| Stages | 2 | — | 3 |