Thor SLV-2A Agena B
USA Wikipedia 
Built & Operated By
McDonnell Douglas
Commercial
Family
Thor
variant SLV-2A Agena B
Maiden Flight
29 JUN 1963
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
67 T
Thrust
1,571 kN
Stages
3
Configuration
Expendable
Launch Record
Total Launches
2
Successful
2
Failed
0
Consecutive
2