Donci Arrives U.S. Navy Petty Officer 3rd Class Kelsey Carlton leads Donci, a military working dog, out of her van to train on Fleet Activities, Yokosuka, Japan, Nov. 3, 2015. The military uses working dogs to apprehend suspects, and detect explosives and narcotics while searching buildings, ships and submarines on the base. U.S. Navy photo by Petty Officer 2nd Class Peter Burghart SHARE: Download: Full Size (1.49 MB) Tags: U.S. Sailors, Japan, Petty Officer, Photo Essays, Fleet Activities, Peter Burghart, YOKOSUKA, Military Working Dog, All images Credit: Peter Burghart VIRIN: 151103-N-XN177-010.JPG Photo Gallery