Members from the Salvadoran air demonstrate the use of and extractor and floating litter during a U.S. Air Force and Salvadoran air force subject matter expert exchange at Ilopango Air Base, El Salvador, March 8, 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)