Go into just about any barracks in the State, walk up to the window and see how some of these guys act. There's a fairly high probability of you coming in contact with a miserable and generally rude individual.
Happens very often , not every time obviously, but far more than it should.
Here you go, a perfect example, what's the chances.........(answer: pretty good!)
http://www.mdshooters.com/showthread.php?t=110066