Thor Delta E1 – McDonnell Douglas
- Family: Thor
- Length: 28 m
- Diameter: 2.44 m
- Launch Mass: 68 T
- Low Earth Orbit Capacity: 540 kg
The Thor Delta E1, manufactured by McDonnell Douglas established in unknown year, undertook its inaugural launch on 07/01/1966. Notably, Thor Delta E1 has 16 successful launches and 1 failed attempts, with a cumulative tally of 17 launches, currently with 0 pending launches in the pipeline.
American orbital launch vehicle family with Thor first stage and a delta second stage.