Just as long as your not some admin clerk.
BTW, our Corpsman was a grunt, evin if he did get out of alot of BS we put up with. Not all navy are bad. Were department of the Navy anyways.
If Iraq is really bothering you there are support groups. And the VA offers counciling. Don't go for PTSD...not worth all the repercussions in your future.
When I got back I was wound up tight and snapping at anyone and everything. It takes a few years to calm down. But eventually you will do it.