Have you seen the movie “White fang”? The story is about a wolf that gets friendly with a man after he is rescued from a series of dog fights. The fangs of dog help them puncture into meat and even tear at it. Fangs are very important to dogs, as they serve in a manner of defense, when they bite.

There are about 2700 dogs serving in the US armed forces. These dogs have such capability of smell, hearing and eyesight that they cannot be replaced by either man or machine. Most of the dogs used by the police and armed forces go through rigorous training, where they are even trained on how and where to bite.