Lance Cpl. Jose A. Vivaldi, right, explains the cycle of operations for the MK19 40 mm automatic grenade launcher to Lance Cpl. Ryan Haylett, center, and Cpl. Brandon C. Perrine June 5 on Camp Mujuk, South Korea. The U.S. Marines familiarized themselves with the crew served weapon to enhance safety on ranges where they will train Republic of Korea Marines on the weapons employment as part of Korean Marine Exchange Program 14-8. KMEP 14-8 is one iteration in a series of continuous combined training exercises designed to enhance the ROK-U.S. alliance, promote stability on the Korean Peninsula, and strengthen ROK-U.S. military capabilities and interoperability. Vivaldi is a military policeman and range safety officer with 3rd Law Enforcement Battalion, III Marine Expeditionary Force Headquarters Group, III MEF. Haylett and Perrine are military policeman with 4th LE Bn., Force Headquarters Group, Marine Forces Reserve. (U.S. Marine Corps photo by Lance Cpl. Drew Tech/Released)