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 | Kosmos 11K63 Strategic Rocket Forces × remove | Molniya-M 2BL Russian Space Forces × remove |
|---|---|---|---|
| Flights | 16 | 126 | 272 |
| Success rate | 93.8% | 93.7% | 95.2% |
| Thrust | 8,674 kN | — | — |
| Height | 72 m | 31 m | — |
| Diameter | 5 m | 1.6 m | — |
| Launch mass | 733 t | 48 t | — |
| LEO capacity | 28,370 kg | 300 kg | — |
| GTO capacity | 14,210 kg | — | — |
| Launch cost | $350M | — | — |
| Reusable | No | No | No |
| Stages | 2 | 2 | — |