GRS
Scout X-4
United States Air Force
Mission
GRS
Type: Earth Science
GRS (Geophysical Research Satellite) was a geophysics experiment test built by the Cambridge Research Lab (CRL). Data was obtained for 13 orbits, after which time the satellite ceased working due to a failure in the primary power supply.
Trajectory
The trajectory is unavailable. Check back for updates.
Location
Launch Area 3
Wallops Island, Virginia, USA
75 rockets have launched from Wallops Island, Virginia, USA.

Rocket
Scout X-4 – Vought
- 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.
Agency
United States Air Force – USAF
- Type: Government
- Abbreviation: USAF
- Country: USA