UNITED STATES AIR FORCE
Scout X-4 | GRS
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Jun 28, 1963 at 21:19 UTC
▸ Flight profile›
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MISSION OVERVIEW
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.
LAUNCH DETAILS
VEHICLE
Scout X-4AGENCY
United States Air ForceMISSION
GRS
MISSION TYPE
Earth Science
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
Launch Area 3LAUNCH SITE
Wallops Flight Facility, Virginia, USACOUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 96ee9af2-28b4-4c92-bb78-01ac38ffb029
Reported date: Jun 28, 1963 at 21:19 UTC
Last synced: 1 minute ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Scout X-4 →
MANUFACTURER
Vought
VARIANT
4
FLIGHTS
12
SUCCESSES
11
SUCCESS RATE
91.7%
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.
FREQUENTLY ASKED QUESTIONS
When is the Scout X-4 | GRS launch?
The Scout X-4 | GRS is scheduled for Friday, June 28, 1963 at 9:19 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for GRS?
The Scout X-4 | GRS mission uses the Scout X-4 rocket, manufactured by Vought. The Scout X-4 has flown 12 times with a 91.7% success rate.
Where is the Scout X-4 | GRS launching from?
The launch takes place from Launch Area 3 at Wallops Flight Facility, Virginia, USA.
What orbit is GRS going to?
The GRS mission is targeting Low Earth Orbit.
Who is launching GRS?
The Scout X-4 | GRS is operated by United States Air Force.
Can I watch the Scout X-4 | GRS launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
LAUNCH TIMELINE
Mar 28, 2026 20:12 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:12 UTC
Launch date set: Jun 28, 1963 at 21:19 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 28, 2026 20:12 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 1 minute ago
●Launch Library 21 minute ago
Launch ID: 96ee9af2-28b4-4c92-bb78-01ac38ffb029
●Open-Meteo Weather1 day ago
Pad weather at 37.85, -75.47
BROWSE BY
Mission Profile
GRS was a Scout X-4 mission operated by United States Air Force that lifted off from Launch Area 3, Wallops Flight Facility, Virginia, USA on June 28, 1963. The flight carried its payload on a earth science mission to Low Earth Orbit. The launch was a success.