Compare rockets
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| Specification | North American X-15 North American Aviation × remove | Space Shuttle National Aeronautics and Space Administration × remove | Voskhod Soviet Space Program × remove |
|---|---|---|---|
| Flights | 13 | 135 | 299 |
| Success rate | 92.3% | 98.5% | 95.7% |
| Thrust | 286 kN | 28,200 kN | — |
| Height | 15.47 m | 56.1 m | — |
| Diameter | 6.61 m | 8 m | — |
| Launch mass | 15,195 t | 2,030 t | — |
| LEO capacity | — | 27,500 kg | — |
| GTO capacity | — | — | — |
| Launch cost | — | $450M | — |
| Reusable | Yes | Yes | No |
| Stages | 1 | 2 | — |