- Family: Scout
- Length: 25 m
- Diameter: 1.01 m
- Launch Mass: 17 T
- Low Earth Orbit Capacity: 103 kg
The Scout X-4 was manufactured by Vought with the first launch on 1963-06-28. Scout X-4 has 11 successful launches and 1 failed launches with a total of 12 launches. The Scout family of rockets were were American launch vehicles designed to place small satellites into orbit around the Earth. The Scout multistage rocket was the first orbital launch vehicle to be entirely composed of solid fuel stages.