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Launch FailureUnited States Air Force
Atlas E/MSD: Parcae 4A,B,C & MSD 4
The Parcae satellites were passive ELINT satellites. MSD satellites were dispensers of triplets of ocean surveillance satellites.
Tuesday, 9 December 1980
Atlas E MSD
Mission Data
🇺🇸United States Air ForceEst. 1947
Launch VehicleAtlas E MSD
Vehicle FamilyAtlas
Vehicle Record0 of 1 launches (0%)
Provider TypeGovernment
Agency Record972 successes / 106 failures (90%)
Success Streak68 consecutive
Mission TypeGovernment/Top Secret
Target OrbitLow Earth Orbit
Launch PadSpace Launch Complex 3W
Location🇺🇸 Vandenberg SFB, CA, USA USA
Orbital Launches This Year#101
Agency Launches This Year#14
Launches From This Pad81
Launches From This Site923
Status Note
Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.
About Atlas E MSD
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.