U.S. Marines with 3rd Battalion, 12th Marine Regiment, 3rd Marine Division, fire a M777 Howitzer during The Artillery Relocation Training Program in Ojojihara, Japan, July 25, 2019. ARTP provides 12th Marine Regiment with essential, live-fire training outside Okinawa to increase combat readiness and support the Treaty of Mutual Cooperation and Security. (U.S. Marine Corps photo by Lance Cpl. Christine Phelps) - U.S. Marines with 3rd Battalion, 12th Marine Regiment, 3rd Marine Division, fire a M777 Howitzer during The Artillery Relocation Training Program in Ojojihara, Japan, July 25, 2019. ARTP provides 12th Marine Regiment with essential, live-fire training outside Okinawa to increase combat readiness and support the Treaty of Mutual Cooperation and Security. (U.S. Marine Corps photo by Lance Cpl. Christine Phelps)