Thor DM-21 Agena-B – United States Air Force
- Family: Thor
The Thor DM-21 Agena-B, manufactured by United States Air Force established in 1947, undertook its inaugural launch on 10/26/1960. Notably, Thor DM-21 Agena-B has 32 successful launches and 8 failed attempts, with a cumulative tally of 40 launches, currently with 0 pending launches in the pipeline.
Thor-Agena was a series of orbital launch vehicles.