Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Firefly Alpha Firefly Aerospace × remove | Space Shuttle National Aeronautics and Space Administration × remove | Vostok 8A92M RKK Energiya × remove | Voskhod Soviet Space Program × remove |
|---|---|---|---|---|
| Flights | 7 | 135 | 93 | 299 |
| Success rate | 57.1% | 98.5% | 98.9% | 95.7% |
| Thrust | 736 kN | 28,200 kN | 3,996 kN | — |
| Height | 29.6 m | 56.1 m | 30.84 m | — |
| Diameter | 1.82 m | 8 m | 2.99 m | — |
| Launch mass | 54 t | 2,030 t | 282 t | — |
| LEO capacity | 1,000 kg | 27,500 kg | 3,800 kg | — |
| GTO capacity | — | — | — | — |
| Launch cost | $15M | $450M | — | — |
| Reusable | No | Yes | No | No |
| Stages | 2 | 2 | 2 | — |