Photos

U.S. Marine Corps Lance Cpl. Erick Costa, a water support technician with Support Company, 7th Engineer Support Battalion, 1st Marine Logistics Group, explains the capabilities of the lightweight water purification system to the students from the Columbian War College’s General Staff Course at Camp Pendleton, Calif., Sept. 6, 2017. The Columbian War College established the General Staff Course as a requirement for promotion to the rank of lieutenant colonel for service members in the Colombian Army, Navy and Air Force. (U.S. Marine Corps photo by Lance Cpl. Roderick Jacquote)