U.S. Marine recruit Jason Armour, Alpha Company, 1st Recruit Training Battalion, Recruit Training Regiment, Marine Corps Recruit Depot Parris Island, prepares to fire an M16/A4 serive rifle while conducting combat marksmanship training aboard Marine Corps Recruit Depot Parris Island, S.C., Jan. 30, 2013. Recruits are required to complete combat marksmanship training as a graduation requirement. (U.S. Marine Corps photo by Cpl. Aneshea S. Yee/Released)