U.S. Navy corpsmen with 3rd Battalion, 12th Marine Regiment, 3rd Marine Division, participate in casualty evacuation drills during the Artillery Relocation Training Program 19.2 in Ojojihara, Japan, July 21, 2019. Casualty evacuation drills are used to keep corpsmen and Marines ready for any medical emergency. ARTP is a regularly scheduled training event, which enhances the combat readiness of U.S. Marine forces and supports the U.S.-Japan Treaty of Mutual Cooperation and Security. (U.S. Marine Corps video by Lance Cpl. Michael Jefferson Estillomo)