Airmen and a Soldier walk toward a controlled explosion site, Aug. 3, 2016 at Joint Base Charleston – Weapons Station, S.C. The joint post-blast analysis training exercise included 22 participants from the Kentucky Air National Guard, South Carolina Air National Guard, Army South Carolina Guard, MacDill Air Force Base, Fla. Seymour Johnson Air Force Base, N.C., 628th Civil Engineering Squadron and 315th CEF. The trainees honed their skills of collecting evidence after an IED attack. (U.S. Air Force photo/Staff Sgt. Jared Trimarchi)