Thor Agena A – McDonnell Douglas
- Family: Thor
- Length: 28 m
- Diameter: 2.44 m
- Launch Mass: 53 T
- Low Earth Orbit Capacity: 250 kg
The Thor Agena A, manufactured by McDonnell Douglas established in unknown year, undertook its inaugural launch on 01/21/1959. Notably, Thor Agena A has 9 successful launches and 6 failed attempts, with a cumulative tally of 15 launches, currently with 0 pending launches in the pipeline.
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.
