Navy Petty Officer 1st Class Samantha Ward, center, assigned to the Camp Lemonnier Emergency Medical Facility, and Army Maj. Donald Dais, 443rd Civil Affairs Battalion Functional Specialty Team Environmental Health officer in charge, test water samples at Caritas Djibouti, a mission providing humanitarian aid and education to Djiboutian children living on the streets, in Djibouti City, Djibouti, Aug. 23, 2017. The team checked for chlorine levels and retrieved samples to test for bacteria, in addition to conducting a food handling and sanitation tutorial. Air National Guard photo by Air Force Tech. Sgt. Andria Allmond