Dogs were used in World War I because of their excellent sense of smell, hearing, and agility. Many different types of dog breeds were used in World War I, the most popular dogs were the German Shepherd and the Dobermans Pinscher. How dogs were grouped were based on their strength, trainability, size, and intelligence. An article from bbc.com states, “Over 20,000 dogs were trained for jobs during World War I” (bbc.com, Dogs in World War I Jobs Undercovered in Records”). Casualty dogs had one of the most important role in World War I. These dogs were trained to carry medical supplies and find suffering and hurt soldiers on the battlefield. An article from bbc.com states, “Bloodhounds and Airedale were trained to seek out the wounded on
