Early in World War II, as the Quartermaster Corps began training dogs for the Army’s K-9 Corps, more than thirty breeds were accepted. But later, with more experience, the list was narrowed to five: One of which is the German Shepherds with there highly keen of smell they are able to smell out land minds underneath the ground before any of them were detonated. Today the vast majority of the U.S. military working dogs are one of which the German Shepherds chosen because they are very aggressive, smart, loyal and athletic.
German Shepherd dogs are preferred as the standard breed because of their unique combination of traits. Shepherds are intelligent, dependable, predictable, easily trained, usually moderately aggressive, and can adapt readily to almost any climatic conditions. While many dog breeds exhibit some or most of these traits, the Shepherd more than any other breed, most consistently exhibits all of these traits.
Above is a German Shepherd MWD at Edwards AFB.