Airmen learn clearing procedures of an M4 Carbine Assault Rifle
Staff Sgt. Troy Tulleners, 92nd Security Forces Squadron combat arms instructor, teaches Senior Airman Robert Curtis, 92nd Communications Squadron cyber transport technician, procedures on how to clear an M4 Carbine Assault Rifle during Operation M4 April 6, 2015, at Fairchild Air Force Base, Wash. Chief Master Sgt. Christian Pugh, 92nd Air Refueling Wing command chief, went around the communications squadron building testing Airmen's knowledge on how to use the weapon. (U.S. Air Force photo/Senior Airman Janelle Patiño)