Combined Joint Task Force-Horn of Africa personnel, coalition forces and East African partners receive their tan, brown or black belt during a Marine Corps Martial Arts graduation ceremony at Camp Lemonnier, Djibouti, Sept. 8, 2015. Throughout the three-week class, students learned bayonet techniques, upper and lower body strikes, counters to chokes and holds, and unarmed manipulation. (U.S. Air Force photo by Staff Sgt. Maria Bowman)

Combined Joint Task Force-Horn of Africa personnel, coalition forces and East African partners receive their tan, brown or black belt during a Marine Corps Martial Arts graduation ceremony at Camp Lemonnier, Djibouti, Sept. 8, 2015. Throughout the three-week class, students learned bayonet techniques, upper and lower body strikes, counters to chokes and holds, and unarmed manipulation. (U.S. Air Force photo by Staff Sgt. Maria Bowman)