Thor DSV-2U – McDonnell Douglas Family: Thor Length: 23 meters Diameter: 2.44 meters Launch Mass: 49 Low Earth Orbit Capacity: 500 The Thor DSV-2U was manufactured by McDonnell Douglas with the first launch on 1976-09-11. Thor DSV-2U has 0 successful launches and 0 failed launches with a total of 0 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. Manufacturer McDonnell Douglas is a Commercial USA entity that was founded in and is administered by . McDonnell Douglas has 0 successful launches and 0 failed launches with a total of 0 launches.