Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Firefly Alpha Firefly Aerospace × remove | Kosmos-3M (11K65M) Russian Space Forces × remove | Electron Rocket Lab × remove | Voskhod Soviet Space Program × remove |
|---|---|---|---|---|
| Flights | 7 | 445 | 91 | 299 |
| Success rate | 57.1% | 95.1% | 95.6% | 95.7% |
| Thrust | 736 kN | — | 162 kN | — |
| Height | 29.6 m | — | 18 m | — |
| Diameter | 1.82 m | — | 1.2 m | — |
| Launch mass | 54 t | — | 13 t | — |
| LEO capacity | 1,000 kg | — | 300 kg | — |
| GTO capacity | — | — | — | — |
| Launch cost | $15M | — | $6M | — |
| Reusable | No | No | No | No |
| Stages | 2 | — | 3 | — |