In this video clip of History's Mail Call, host R. Lee Ermey takes a look at how dogs are used in the military. German Shepherds, Dutch Malinois and Dutch Shepherds are the most commonly used dogs and they are trained at the Department of Defense Military Working Dog School at the 341st Training Squadron at Lackland Air force Base. They are trained to sniff out bombs and drugs as well as attack the enemy. Dogs have been used in the Military since WWll and the popular Century Dogs were used in Vietnam.