Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Atlas IIAS Lockheed Martin × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove | Voskhod Soviet Space Program × remove | Vostok 8A92M RKK Energiya × remove |
|---|---|---|---|---|
| Flights | 30 | 714 | 299 | 93 |
| Success rate | 100% | 97.2% | 95.7% | 98.9% |
| Thrust | 4,391 kN | — | — | 3,996 kN |
| Height | 47.54 m | 51.1 m | — | 30.84 m |
| Diameter | 3.04 m | 2.95 m | — | 2.99 m |
| Launch mass | 204 t | 313 t | — | 282 t |
| LEO capacity | 6,580 kg | 6,900 kg | — | 3,800 kg |
| GTO capacity | 2,810 kg | — | — | — |
| Launch cost | — | — | — | — |
| Reusable | No | No | No | No |
| Stages | 3 | 3 | — | 2 |