Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Delta II 7925-10L United Launch Alliance × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove | Vostok 8A92M RKK Energiya × remove |
|---|---|---|---|
| Flights | 2 | 714 | 93 |
| Success rate | 100% | 97.2% | 98.9% |
| Thrust | — | — | 3,996 kN |
| Height | 38.9 m | 51.1 m | 30.84 m |
| Diameter | 2.4 m | 2.95 m | 2.99 m |
| Launch mass | 232 t | 313 t | 282 t |
| LEO capacity | — | 6,900 kg | 3,800 kg |
| GTO capacity | 1,840 kg | — | — |
| Launch cost | $51M | — | — |
| Reusable | No | No | No |
| Stages | 3 | 3 | 2 |