
First up, Afghan is the most easiest map to get a nuke on. The grassy area near flag B (if you're playing Domination) is the best place to hide because
1. People who are entering from C or A or from the middle will not see you.
2. If they DO see you and damage you, go prone quickly in the grass and lose them, then kill them.
Now, here are some tips on how to get the nuke.
First, set up your class. I would prefer the ACR