Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Thor DM-21 Ablestar United States Air Force × remove | Space Shuttle National Aeronautics and Space Administration × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove |
|---|---|---|---|
| Flights | 19 | 135 | 714 |
| Success rate | 68.4% | 98.5% | 97.2% |
| Thrust | 760 kN | 28,200 kN | — |
| Height | 29 m | 56.1 m | 51.1 m |
| Diameter | 1.44 m | 8 m | 2.95 m |
| Launch mass | 51 t | 2,030 t | 313 t |
| LEO capacity | 150 kg | 27,500 kg | 6,900 kg |
| GTO capacity | — | — | — |
| Launch cost | — | $450M | — |
| Reusable | No | Yes | No |
| Stages | 2 | 2 | 3 |