Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Soyuz-U2 Soviet Space Program × remove | Molniya-M 2BL Russian Space Forces × remove | Vostok 8A92M RKK Energiya × remove |
|---|---|---|---|
| Flights | 71 | 272 | 93 |
| Success rate | 100% | 95.2% | 98.9% |
| Thrust | — | — | 3,996 kN |
| Height | 34.54 m | — | 30.84 m |
| Diameter | 2.95 m | — | 2.99 m |
| Launch mass | 298 t | — | 282 t |
| LEO capacity | 7,050 kg | — | 3,800 kg |
| GTO capacity | — | — | — |
| Launch cost | — | — | — |
| Reusable | No | No | No |
| Stages | 2 | — | 2 |