U.S. Air Force Staff Sgt. Patricia Eckles, 7th Security Forces Squadron, grooms her military working dog, Dewey, Feb. 9, 2012, at Dyess Air Force Base, Texas. Dewey and the other military working dogs in the K-9 unit, serve alongside their military handlers to protect Dyess and train for future deployments. (U.S. Air Force photo by Airman 1st Class Peter Thompson/Released)