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Informasjon på engelsk:
Not all trenchers stand on two legs. Many companies have one or more patrol dogs assigned to them-eager canine soldiers that go through their own rigorous trencher training. Patrol dogs assist the infantry in several ways, lending their keen senses and unquestioning loyalty to their unit. Highly valued for their alertness, these dogs are also more than capable of defending their human masters, harrying the foe and even tearing out an enemy's throat.