United States Air ForceAtlas F/SVSSpace Launch Complex 3E, Vandenberg SFB, CA, USA
Atlas F/SVS | Navstar 4
Launch window
No countdown — this launch time is not yet known to the minute.December 11, 1978Add to calendar
Launch Successful
United States Air Force's 734th launch · 30th this year · humanity's 2,161st orbital launch attempt
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Window: Dec 11, 03:59 – Dec 11, 03:59 UTC
Flight preview
Navstar 4
First generation GPS satellite
Navigation · Medium Earth Orbit (MEO)
Booster
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