- Family: Thor
- Length: 23 m
- Diameter: 2.44 m
- Launch Mass: 50 T
The Thor Burner 2A was manufactured by McDonnell Douglas with the first launch on 1971-10-14. Thor Burner 2A has 8 successful launches and 0 failed launches with a total of 8 launches. The Thor-Burner was an American expendable launch system, a member of the Thor rocket family. It consisted of a Thor missile, with one or two Burner upper stages.