Thor Delta A
USA Wikipedia 
Built & Operated By
McDonnell Douglas
Commercial
Family
Thor
variant Delta A
Maiden Flight
2 OCT 1962
About
American orbital launch vehicle family with Thor first stage and a delta second stage.
Vehicle Specifications
Height
31 m
Diameter
2.44 m
Launch Mass
50 T
Thrust
667 kN
Stages
3
Configuration
Expendable
Launch Record
Total Launches
2
Successful
2
Failed
0
Consecutive
2
Performance
To LEO
250 kg
To GTO
68 kg
Launch Cost
$9.6M