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 | Falcon 9 Block 5 SpaceX × remove |
|---|---|---|---|
| Flights | 7 | 135 | 611 |
| Success rate | 57.1% | 98.5% | 99.8% |
| Thrust | 736 kN | 28,200 kN | 7,607 kN |
| Height | 29.6 m | 56.1 m | 70 m |
| Diameter | 1.82 m | 8 m | 3.65 m |
| Launch mass | 54 t | 2,030 t | 549 t |
| LEO capacity | 1,000 kg | 27,500 kg | 22,800 kg |
| GTO capacity | — | — | 8,300 kg |
| Launch cost | $15M | $450M | $52M |
| Reusable | No | Yes | Yes |
| Stages | 2 | 2 | 2 |