Air Force Capt. Coby Boyd tests medical equipment before conducting an in-flight aeromedical evacuation training exercise on a C-17 Globemaster III during Patriot South 2018 in Gulfport, Miss., Feb. 14, 2018. The training provided time-sensitive, mission-critical en route care to patients to and between medical treatment facilities, primarily during deployed or disaster situations. Air National Guard photo by Staff Sgt. Michelle Y. Alvarez-Rea