U.S. Navy Petty Officer 3rd Class Cortland Woods, Joint Base Security, JB2 dog handler, and his military working dog Riki, walk through a cordon of security forces members to the veterinary treatment facility on Joint Base Pearl Harbor-Hickam, Hawaii, March 2, 2017. After six-years of service, Riki was euthanized due to progressive incurable illness. (U.S. Air Force photo by Tech. Sgt. Heather Redman)