U.S. Air Force Senior Airman Jacob Radford, 628th Medical Operations Squadron medical technician, show a group of Salvadoran air force members how to use an Automatic External Defibrillator during a medical subject matter expert exchange at Ilopango Air Base, El Salvador, March 9, 2016. 12th Air Force (Air Forces Southern) surgeon general’s office, led a five-member team of medics from around the U.S. Air Force on a week-long medical subject matter expert exchange in El Salvador. (U.S. Air Force photo by Tech. Sgt. Heather R. Redman/Released)