Senior Airman Brandon Tran, 49th Civil Engineer Squadron Explosive Ordnance Disposal technician, provides medical care to Sean Emmons, exercise actor, during Pre-hospital Trauma Life Support training at Holloman Air Force Base, N.M. PHTLS is a five-day class taught to civilian and military first-responders consisting of formal classroom training and hands-on exercises. (U.S. Air Force photo by Staff Sgt. BreeAnn Sachs)