It doesn't take much guess work. The Delta IV has been used for more military missions than public or commercial ones. That's the space vehicle of choice for

It doesn't take much guess work. The Delta IV has been used for more military missions than public or commercial ones. That's the space vehicle of choice for military satellites. https://en.m.wikipedia.org/wiki/List_of_Thor_and_Delta_launches_(2010%E2%80%9319) https://en.m.wikipedia.org/wiki/List_of_Thor_and_Delta_launc... https://en.m.wikipedia.org/wiki/Orion_(satellite) https://en.m.wikipedia.org/wiki/Orion_(satellite)