Thor Delta M6
USA Wikipedia 
Built & Operated By
McDonnell Douglas
Commercial
Family
Thor
variant Delta M6
Maiden Flight
13 MAR 1971
About
American orbital launch vehicle family with Thor first stage and a delta second stage.
Vehicle Specifications
Height
32.4 m
Diameter
2.44 m
Launch Mass
103 T
Thrust
2,411 kN
Stages
4
Configuration
Expendable
Launch Record
Total Launches
1
Successful
1
Failed
0
Consecutive
1
Performance
To LEO
450 kg
To GTO
450 kg