- Family: Thor
- Length: 27.5 m
- Diameter: 2.44 m
- Launch Mass: 52 T
- Low Earth Orbit Capacity: 81 kg
The Thor Delta C1 was manufactured by McDonnell Douglas with the first launch on 1966-05-25. Thor Delta C1 has 3 successful launches and 0 failed launches with a total of 3 launches. American orbital launch vehicle family with Thor first stage and a delta second stage.