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 | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove |
|---|---|---|---|
| Flights | 16 | 126 | 714 |
| Success rate | 93.8% | 93.7% | 97.2% |
| Thrust | 8,674 kN | — | — |
| Height | 72 m | 31 m | 51.1 m |
| Diameter | 5 m | 1.6 m | 2.95 m |
| Launch mass | 733 t | 48 t | 313 t |
| LEO capacity | 28,370 kg | 300 kg | 6,900 kg |
| GTO capacity | 14,210 kg | — | — |
| Launch cost | $350M | — | — |
| Reusable | No | No | No |
| Stages | 2 | 2 | 3 |