Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Atlas IIIA Lockheed Martin × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove | Vostok 8A92M RKK Energiya × remove | Voskhod Soviet Space Program × remove |
|---|---|---|---|---|
| Flights | 2 | 714 | 93 | 299 |
| Success rate | 100% | 97.2% | 98.9% | 95.7% |
| Thrust | 4,149 kN | — | 3,996 kN | — |
| Height | 52.8 m | 51.1 m | 30.84 m | — |
| Diameter | 3.05 m | 2.95 m | 2.99 m | — |
| Launch mass | 214 t | 313 t | 282 t | — |
| LEO capacity | 8,640 kg | 6,900 kg | 3,800 kg | — |
| GTO capacity | 4,055 kg | — | — | — |
| Launch cost | — | — | — | — |
| Reusable | No | No | No | No |
| Stages | 2 | 3 | 2 | — |