CAMP FALLUJAH, IRAQ – Petty Officer 3rd Class Shandon E. Torres shows ISF members how to properly check the pulse from the wrist. The ISF members were taught the combat lifesavers course by two corpsmen and one doctor from the 3rd Battalion, 8th Marine Regiment Battalion Aid Station. Official U.S. Marine Corps photo by Lance Cpl. Athanasios L. Genos