Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | SpaceShipTwo Virgin Galactic × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove | Molniya-M 2BL Russian Space Forces × remove |
|---|---|---|---|
| Flights | 67 | 110 | 272 |
| Success rate | 92.5% | 93.6% | 95.2% |
| Thrust | 310 kN | — | — |
| Height | 18 m | — | — |
| Diameter | 8.2 m | — | — |
| Launch mass | 9 t | — | — |
| LEO capacity | 0 kg | — | — |
| GTO capacity | 0 kg | — | — |
| Launch cost | — | — | — |
| Reusable | Yes | No | No |
| Stages | 1 | — | — |