Marine Corps Cpl. Mark Smith executes routine aggression tactics with his dog, Corado, at Camp Hansen, Okinawa, Japan, March 21, 2018. Smith is a military working dog handler assigned to 3rd Law Enforcement Battalion, 3rd Marine Expeditionary Force Information Group, which conducted routine patrols, aggression tactics and cleared buildings to prepare for upcoming deployments. Marine Corps photo by Lance Cpl. Andrew Neumann