A class of students attending a weapon qualifications course open fire as Staff Sgt. Justin Wood, 47th Security Forces Squadron assistant NCO in charge of combat arms, observes at the firing range on Laughlin Air Force Base, Texas, Jan. 8, 2013. Laughlin produced more than 2,000 pounds of spent brass last year that when recycled earned the base recycling program $3,100. (U.S. Air Force photo/Airman 1st Class Nathan Maysonet)