- Family: Thor
- Length: 30 m
- Diameter: 2.44 m
- Launch Mass: 51 T
- Low Earth Orbit Capacity: 120 kg
The Thor Able I was manufactured by McDonnell Douglas with the first launch on 1958-04-24. Thor Able I has 1 successful launches and 2 failed launches with a total of 3 launches. American orbital launch vehicle. Thor with Able stage derived from Vanguard second stage.