Thor Able I – McDonnell Douglas
- Family: Thor
- Length: 30 m
- Diameter: 2.44 m
- Launch Mass: 51 T
- Low Earth Orbit Capacity: 120 kg
The Thor Able I, manufactured by McDonnell Douglas established in unknown year, undertook its inaugural launch on 04/24/1958. Notably, Thor Able I has 1 successful launches and 2 failed attempts, with a cumulative tally of 3 launches, currently with 0 pending launches in the pipeline.
American orbital launch vehicle. Thor with Able stage derived from Vanguard second stage.