- Family: Delta
- Length: 36 m
- Diameter: 2.44 m
- Launch Mass: 191 T
The Delta 3920 was manufactured by McDonnell Douglas with the first launch on 1982-07-16. Delta 3920 has 3 successful launches and 0 failed launches with a total of 3 launches. The Delta 3000 series was an American expendable launch system which was used to conduct 38 orbital launches between 1975 and 1989. It was a member of the Delta family of rockets. Several variants existed, which were differentiated by a four digit numerical code.
