U.S. Air Force Tech. Sgt. James Mack, right, and Staff Sgt. Shane DeHuff, Staff Exercise (STAFFEX) 18-4 medical planners from the Michigan Air National Guard's 127th Medical Group and 110th Medical Group respectively, discuss public health issues such as sanitization and immunizations, June 20, 2018, Shaw Air Force Base, S.C. Both Airmen provided medical guidance to the exercise Joint Task Force headquarters forward element located in 'Africa' based on a humanitarian assistance scenario. During the exercise, the Airmen provided valuable medical planning the 9th AF had not previously employed. (U.S. Air Force photo by Tech. Sgt. Amanda Dick)