Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Soyuz 2.1b Progress Rocket Space Center × remove | Kosmos 11K63 Strategic Rocket Forces × remove | Molniya-M 2BL Russian Space Forces × remove |
|---|---|---|---|
| Flights | 23 | 126 | 272 |
| Success rate | 100% | 93.7% | 95.2% |
| Thrust | — | — | — |
| Height | 46.3 m | 31 m | — |
| Diameter | 2.95 m | 1.6 m | — |
| Launch mass | 312 t | 48 t | — |
| LEO capacity | 8,200 kg | 300 kg | — |
| GTO capacity | 3,250 kg | — | — |
| Launch cost | $80M | — | — |
| Reusable | No | No | No |
| Stages | 3 | 2 | — |