Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Firefly Alpha Firefly Aerospace × remove | Voskhod Soviet Space Program × remove | Tsiklon-3 Yuzhnoye Design Bureau × remove | Kosmos 11K63 Strategic Rocket Forces × remove |
|---|---|---|---|---|
| Flights | 7 | 299 | 122 | 126 |
| Success rate | 57.1% | 95.7% | 94.3% | 93.7% |
| Thrust | 736 kN | — | 2,713 kN | — |
| Height | 29.6 m | — | 39.27 m | 31 m |
| Diameter | 1.82 m | — | 3 m | 1.6 m |
| Launch mass | 54 t | — | 189 t | 48 t |
| LEO capacity | 1,000 kg | — | 4,100 kg | 300 kg |
| GTO capacity | — | — | — | — |
| Launch cost | $15M | — | $15M | — |
| Reusable | No | No | No | No |
| Stages | 2 | — | 3 | 2 |