- Family: Thor
- Length: 23 m
- Diameter: 2.44 m
- Launch Mass: 50 T
The Thor MG-18 was manufactured by McDonnell Douglas with the first launch on 1965-01-19. Thor MG-18 has 2 successful launches and 0 failed launches with a total of 2 launches. American orbital launch vehicle. Two stage vehicle consisting of 1 x Thor DM-18A + 1 x MG-18