Thor Delta D
USA Wikipedia 
Built & Operated By
McDonnell Douglas
Commercial
Family
Thor
variant Delta D
Maiden Flight
19 AUG 1964
About
American orbital launch vehicle family with Thor first stage and a delta second stage.
Vehicle Specifications
Height
32 m
Diameter
2.44 m
Launch Mass
63 T
Thrust
1,571 kN
Stages
4
Configuration
Expendable
Launch Record
Total Launches
2
Successful
2
Failed
0
Consecutive
2
Performance
To LEO
450 kg
To GTO
104 kg
Launch Cost
$12.7M