I told grandpa I was going to get out on my own because I didn't need my parent's telling me what to do any more. I was growed up

He told me that parents and the army are like the jewlers tools and a sledge hammer.

Both can be used to refine a diamond the difference
is in how fine the final result is.

The military can and will do whatever it has to but it is important to understand that the end result will never be quite as pretty as it would be where the diplomats and other gov agencies actually where able to handle the entirety of their own missions.