Parcae 4A,B,C & MSD 4
Atlas E/MSD
United States Air Force
Launch Status
FailureMission
Parcae 4A,B,C & MSD 4
Type: Government/Top Secret
The Parcae satellites were passive ELINT satellites. MSD satellites were dispensers of triplets of ocean surveillance satellites.
Trajectory
The trajectory is unavailable. Check back for updates.
Location
Space Launch Complex 3W
Vandenberg SFB, CA, USA
714 rockets have launched from Vandenberg SFB, CA, USA.

Rocket
Atlas E MSD – Convair
- Family: Atlas
- Low Earth Orbit Capacity: 800 kg
The Atlas E MSD was manufactured by Convair with the first launch on 1980-12-09. Atlas E MSD has 0 successful launches and 1 failed launches with a total of 1 launches. 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.
Agency
United States Air Force – USAF
- Type: Government
- Abbreviation: USAF
- Country: USA