Thor Burner 2 – McDonnell Douglas Family: Thor meters Length: 22.4 meters Diameter: 2.44 meters Launch Mass: 50 Low Earth Orbit Capacity: The Thor Burner 2 was manufactured by McDonnell Douglas with the first launch on 1966-09-16. Thor Burner 2 has 0 successful launches and 0 failed launches with a total of 0 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. 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.