The military changes those who join. One of the biggest things it teaches is how to deal with disappointment. Not so much that you are away, its more that you don't get to make plans for anything. After a long patrol we get to go in circles outside our final destination. At no fault of our own we are left to stare at the object of our longing, alas we cannot reach out to touch it. Time tables and schedules are thrown from the window at the loss of communications between those who are trying to come and those who are trying to go. Imagine, a one way street, of which each end is one way to the middle. Can anyone say charlie foxtrot? Way to go sf pilots!