Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Atlas V 421 United Launch Alliance × remove | Space Shuttle National Aeronautics and Space Administration × remove | Molniya-M 2BL Russian Space Forces × remove |
|---|---|---|---|
| Flights | 9 | 135 | 272 |
| Success rate | 100% | 98.5% | 95.2% |
| Thrust | — | 28,200 kN | — |
| Height | 58.3 m | 56.1 m | — |
| Diameter | 3.8 m | 8 m | — |
| Launch mass | 433 t | 2,030 t | — |
| LEO capacity | 14,067 kg | 27,500 kg | — |
| GTO capacity | 6,890 kg | — | — |
| Launch cost | $123M | $450M | — |
| Reusable | No | Yes | No |
| Stages | 2 | 2 | — |