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Launch SuccessfulUnited States Air Force
Atlas F/SVS: NTS 2
First NAVSTAR GPS Phase I navigation satellite
Thursday, 23 June 1977
Atlas F/SVS
Mission Data
🇺🇸United States Air ForceEst. 1947
Launch VehicleAtlas F/SVS
Vehicle FamilyAtlas
Vehicle Record7 of 7 launches (100%)
Provider TypeGovernment
Agency Record972 successes / 106 failures (90%)
Success Streak68 consecutive
ProgramGlobal Positioning System · Navigation Constellation
Mission TypeNavigation
Target OrbitMedium Earth Orbit
Launch PadSpace Launch Complex 3W
Location🇺🇸 Vandenberg SFB, CA, USA USA
Orbital Launches This Year#54
Agency Launches This Year#11
Launches From This Pad81
Launches From This Site923
Status Note
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
About Atlas F/SVS
The Atlas E/F (or SB-1A) was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles. It was a member of the Atlas family of rockets.
Launch Site
Space Launch Complex 3W · 34.6440°N 120.5930°W
Launch data from Launch Library 2 by The Space Devs.