Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Titan IIIA Lockheed Martin × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove | Vostok 8A92M RKK Energiya × remove |
|---|---|---|---|
| Flights | 4 | 110 | 93 |
| Success rate | 75% | 93.6% | 98.9% |
| Thrust | 1,941 kN | — | 3,996 kN |
| Height | 42 m | — | 30.84 m |
| Diameter | 3.05 m | — | 2.99 m |
| Launch mass | 161 t | — | 282 t |
| LEO capacity | 3,100 kg | — | 3,800 kg |
| GTO capacity | — | — | — |
| Launch cost | — | — | — |
| Reusable | No | No | No |
| Stages | 3 | — | 2 |