CAMP CHEIK OSMAN, Djibouti – U.S. Army Sgt. Robert Shelton, U.S. Army Regionally Aligned Forces instructor, throws dirt at a Humvee to simulate a roadside detonation causing immobility during Area Logistics Training final with Djiboutian Armed Forces (FAD) soldiers, May 16, 2016, at Camp Cheik Osman, Djibouti. The FAD soldiers tested combat skills they learned throughout the five month course demonstrating their reactions to various mock situations from convoying through a road block, identifying mock roadside bombs, medical care, and vehicle recovery. (U.S. Air Force photo by Staff Sgt. Tiffany DeNault/Released)