Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Titan 23B Lockheed Martin × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove | Space Shuttle National Aeronautics and Space Administration × remove |
|---|---|---|---|
| Flights | 9 | 110 | 135 |
| Success rate | 100% | 93.6% | 98.5% |
| Thrust | 2,300 kN | — | 28,200 kN |
| Height | 45 m | — | 56.1 m |
| Diameter | 3.05 m | — | 8 m |
| Launch mass | 165 t | — | 2,030 t |
| LEO capacity | 3,000 kg | — | 27,500 kg |
| GTO capacity | — | — | — |
| Launch cost | — | — | $450M |
| Reusable | No | No | Yes |
| Stages | 3 | — | 2 |