When Maj. Brian Dennis first spotted a scruffy German Shepard-Border collie mix at a fort in Iraq, the dog wasn't interested in making friends. The dog, who lived in the wild with a pack of canine companions, had already been through a lifetime's worth of pain and neglect. His ears had been cut off as a puppy, and he had been trained as a fighting dog. Now that he was finally free of his tormentors, the dog just wanted to be left alone.