Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Delta IV Heavy United Launch Alliance × remove | Voskhod Soviet Space Program × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove |
|---|---|---|---|
| Flights | 16 | 299 | 110 |
| Success rate | 93.8% | 95.7% | 93.6% |
| Thrust | 8,674 kN | — | — |
| Height | 72 m | — | — |
| Diameter | 5 m | — | — |
| Launch mass | 733 t | — | — |
| LEO capacity | 28,370 kg | — | — |
| GTO capacity | 14,210 kg | — | — |
| Launch cost | $350M | — | — |
| Reusable | No | No | No |
| Stages | 2 | — | — |