U.S. Navy Petty Officer 2nd Class Leonard A. Santiago, right, from Olongapo City, Philippines, provides medical care to a Mongolian resident as part of the health services support engagement during Khaan Quest 2015 at the 79th High School in Ulaanbaatar, Mongolia, June 21. Khaan Quest is a regularly scheduled, multinational exercise hosted annually by the Mongolian Armed Forces and co-sponsored by U.S. Army, Pacific, and U.S. Marine Corps Forces, Pacific. Santiago is a hospital corpsman with 3rd Medical Battalion, 3rd Marine Logistics Group, III Marine Expeditionary Force. (U.S. Marine Corps photo by Lance Cpl. Cedric R. Haller II/Released)