Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Kosmos-2I Strategic Rocket Forces × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove | Tsiklon-3 Yuzhnoye Design Bureau × remove | Voskhod Soviet Space Program × remove |
|---|---|---|---|---|
| Flights | 38 | 714 | 122 | 299 |
| Success rate | 68.4% | 97.2% | 94.3% | 95.7% |
| Thrust | — | — | 2,713 kN | — |
| Height | 31 m | 51.1 m | 39.27 m | — |
| Diameter | 1.6 m | 2.95 m | 3 m | — |
| Launch mass | 48 t | 313 t | 189 t | — |
| LEO capacity | 300 kg | 6,900 kg | 4,100 kg | — |
| GTO capacity | — | — | — | — |
| Launch cost | — | — | $15M | — |
| Reusable | No | No | No | No |
| Stages | 2 | 3 | 3 | — |