- Family: Thor
- Length: 32 m
- Diameter: 2.44 m
- Launch Mass: 63 T
- Low Earth Orbit Capacity: 450 kg
The Thor Delta D was manufactured by McDonnell Douglas with the first launch on 1964-08-19. Thor Delta D has 2 successful launches and 0 failed launches with a total of 2 launches. American orbital launch vehicle family with Thor first stage and a delta second stage.