Thor Agena D
USA Wikipedia 
Built & Operated By
McDonnell Douglas
Commercial
Family
Thor
variant Agena D
Maiden Flight
28 JUN 1962
About
Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
Vehicle Specifications
Height
31 m
Diameter
2.44 m
Launch Mass
56 T
Thrust
667 kN
Stages
2
Configuration
Expendable
Launch Record
Total Launches
13
Successful
11
Failed
2
Consecutive
1
Performance
Launch Cost
$22.2M