UNITED STATES AIR FORCE
Scout G-1 | REX
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Jun 29, 1991 at 14:00 UTC
▸ Flight profile›
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MISSION OVERVIEW
REX (Radiation Experiment) or ISES (Integrated Space Experiment System) was an Air Force Rome Laboratory ionospheric research satellite which tested the effects of the atmosphere on radio transmissions, and employed GPS for on-board navigation and attitude control.
LAUNCH DETAILS
VEHICLE
Scout G-1AGENCY
United States Air ForceMISSION
REX
MISSION TYPE
Earth Science
TARGET ORBIT
Polar Orbit
LAUNCH PAD
Space Launch Complex 5LAUNCH SITE
Vandenberg SFB, CA, USACOUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: f6087d84-0a55-4f13-b0eb-9f8de315a7bb
Reported date: Jun 29, 1991 at 14:00 UTC
Last synced: 4 minutes 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 G-1 →
MANUFACTURER
Vought
VARIANT
G-1
FLIGHTS
17
SUCCESSES
17
SUCCESS RATE
100%
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 G-1 | REX launch?
The Scout G-1 | REX is scheduled for Saturday, June 29, 1991 at 2:00 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 REX?
The Scout G-1 | REX mission uses the Scout G-1 rocket, manufactured by Vought. The Scout G-1 has flown 17 times with a 100% success rate.
Where is the Scout G-1 | REX launching from?
The launch takes place from Space Launch Complex 5 at Vandenberg SFB, CA, USA.
What orbit is REX going to?
The REX mission is targeting Polar Orbit.
Who is launching REX?
The Scout G-1 | REX is operated by United States Air Force.
Can I watch the Scout G-1 | REX 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 29, 2026 03:06 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 03:06 UTC
Launch date set: Jun 29, 1991 at 14:00 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 29, 2026 03:06 UTC
Launch completed successfully
Updated via Launch Library 2
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LIVE DATA SOURCES
Last data sync: 4 minutes ago
●Launch Library 24 minutes ago
Launch ID: f6087d84-0a55-4f13-b0eb-9f8de315a7bb
●Spaceflight News API7 minutes ago
15 articles matched
●Open-Meteo Weather3 days ago
Pad weather at 34.61, -120.62
Mission Profile
REX was a Scout G-1 mission operated by United States Air Force that lifted off from Space Launch Complex 5, Vandenberg SFB, CA, USA on June 29, 1991. The flight carried its payload on a earth science mission to Polar Orbit. The launch was a success.