Delta is a military working dog, who was shot in the throat, and poisoned on the line of duty. He is never usually scared, but when he got shot, he was jumping in the way of one of his fellow officers, and he saved his life.. - but in the process, he risked his own. Now, he is terrified that he will die, and not be able to protect his people anymore.. he is scared not only fro is own life, but also for his officer's lives as well. He is one of the best military canines, and he is selfless..