Mutts during war- British messenger dogs with their handler, France, during World War I. A British soldier holds three dogs which were trained to carry messages between the lines and command during World War I. Usually the dogs had been strays, so one particular breed of dog could be not preferred. Generally, however, traditional working breeds, such as collies, retrievers, or large terriers, were chosen for messenger work.
Dogs being counted in a WWI census. Dogs were a valuable aid in the war for both the mental and physical assistance of the soldiers. This photo shows some front line dogs being counted in a census in Verdun, France in 1918.