CAMP LEATHERNECK, Afghanistan - An Afghan National Army soldier fires a rocket-propelled grenade (RPG) during a live-fire operational training shoot at Joint Sustainment Academy Southwest, Camp Leatherneck, Helmand province, Aug. 24. Students in the Small Arms Weapons Instructors Course learn a range of different weapon systems, from as small as a 9mm pistol to as large as the RPG, a shoulder-launched, anti-tank weapon.