I spent a summer reading all the books on the history of dogs in the military starting back to the revolution war. My search took me through several good books an articles. It was in the great wars that we started to train dogs and mainly in the Second World War that Original Easily Distracted By Dogs And Horses shirt. Pigeons were used a lot too which isn’t surprising as they could be trained to send messages. The most unfortunate thing is how many of the dogs were left behind after the war.