Building the boom
Staff Sgt. Alejandro Medina, 455th Expeditionary Maintenance Squadron Munitions Flight, munitions system specialist, helps build a GBU-54 munition at Bagram Airfield, Afghanistan, May 26, 2016. Munitions systems specialists handle, store, transport, arm and disarm weapons systems in support of counter-terrorism opertations. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)