GRS (CRL-1 / PL-19), a U.S. Air Force Cambridge Research Lab Geophysical Research Satellite measuring topside ionosphere composition, photoelectrons, and space radiation. Maiden flight of Scout X-4 from Wallops Island; the spacecraft power supply failed after 13 orbits.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 66 kg (est.)
- Flight
- 1st
- of 12 Scout X-4 flights
- Date and time
- 28 June 1963, 21:19 UTC
- Rocket
- Scout X-4
- Builder
- Vought
- Launch site
- Launch Area 3, Wallops Flight Facility, Virginia, USA
- Payload
- Earth Science
- International designator
- 1963-026
- Launches in 1963
- 35th of 69
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