Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Firefly Alpha Block 2 Firefly Aerospace × remove | Space Shuttle National Aeronautics and Space Administration × remove | Electron Rocket Lab × remove |
|---|---|---|---|
| Flights | 0 | 135 | 91 |
| Success rate | — | 98.5% | 95.6% |
| Thrust | 736 kN | 28,200 kN | 162 kN |
| Height | 31.6 m | 56.1 m | 18 m |
| Diameter | 1.82 m | 8 m | 1.2 m |
| Launch mass | 54 t | 2,030 t | 13 t |
| LEO capacity | 1,030 kg | 27,500 kg | 300 kg |
| GTO capacity | — | — | — |
| Launch cost | $15M | $450M | $6M |
| Reusable | No | Yes | No |
| Stages | 2 | 2 | 3 |