Atlas E/MSD
USA Wikipedia 
Built & Operated By
Convair
Commercial · founded 1943
Family
Atlas
variant E/MSD
Maiden Flight
9 DEC 1980
About
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.
Vehicle Specifications
Stages
2
Configuration
Expendable
Launch Record
Total Launches
1
Successful
0
Failed
1
Performance
To LEO
800 kg