OFFUTT AIR FORCE BASE, Neb. - Military Working Dog Fesak, a Belgian malinois, stands guard of detainee Tech. Sgt. Dan Koesters, a member of the 55th Security Forces Squadron, as part of a military working dog demonstration at the youth baseball fields here Oct 20. The demonstration was part of a base-wide tour for high school and college students ready to enlist in the Air Force. U.S. Air Force photo by Josh Plueger