- Family: Thor
- Length: 23 m
- Diameter: 2.44 m
- Launch Mass: 49 T
- Low Earth Orbit Capacity: 500 kg
The Thor DSV-2U was manufactured by McDonnell Douglas with the first launch on 1976-09-11. Thor DSV-2U has 4 successful launches and 1 failed launches with a total of 5 launches. The Thor DSV-2U or Thor LV-2F Star-37XE Star-37S-ISS was an American expendable launch system used to launch five DMSP weather satellites between 1976 and 1980.