Delta II 7425-9.5 – McDonnell Douglas
- Family: Delta
- Length: 39 m
- Diameter: 2.44 m
- Launch Mass: 170 T
The Delta II 7425-9.5, manufactured by McDonnell Douglas established in unknown year, undertook its inaugural launch on 12/11/1998. Notably, Delta II 7425-9.5 has 3 successful launches and 0 failed attempts, with a cumulative tally of 3 launches, currently with 0 pending launches in the pipeline.
Delta II was an expendable launch system, originally designed and built by McDonnell Douglas. Delta II was part of the Delta rocket family and entered service in 1989. Delta II vehicles included the Delta 6000, and the two later Delta 7000 variants (“Light” and “Heavy”). The rocket flew its final mission ICESat-2 on 15 September 2018, earning the launch vehicle a streak of 100 successful missions in a row, with the last failure being GPS IIR-1 in 1997.