Thor Delta B – McDonnell Douglas
- Family: Thor
- Length: 31 m
- Diameter: 2.44 m
- Launch Mass: 51 T
- Low Earth Orbit Capacity: 370 kg
The Thor Delta B, manufactured by McDonnell Douglas established in unknown year, undertook its inaugural launch on 12/13/1962. Notably, Thor Delta B has 8 successful launches and 1 failed attempts, with a cumulative tally of 9 launches, currently with 0 pending launches in the pipeline.
American orbital launch vehicle family with Thor first stage and a delta second stage.