Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Thor Delta A McDonnell Douglas × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove | Voskhod Soviet Space Program × remove |
|---|---|---|---|
| Flights | 2 | 110 | 299 |
| Success rate | 100% | 93.6% | 95.7% |
| Thrust | 667 kN | — | — |
| Height | 31 m | — | — |
| Diameter | 2.44 m | — | — |
| Launch mass | 50 t | — | — |
| LEO capacity | 250 kg | — | — |
| GTO capacity | 68 kg | — | — |
| Launch cost | $9.59M | — | — |
| Reusable | No | No | No |
| Stages | 3 | — | — |