U.S. Marine Corps Lance Cpl. Taylor R. Tingey, left,

U.S. Marine Corps Lance Cpl. Taylor R. Tingey, left, and Army Sgt. Phil E. Chavez, with the 176th Engineer Company, 96th Troop Command, Washington Army National Guard, work on a school renovation project during Khaan Quest 2013 in Ulaanbaatar, Mongolia, July 23, 2013. Khaan Quest is an annual multinational exercise sponsored by the U.S. and Mongolia, and it is designed to strengthen the capabilities of U.S., Mongolian and other nations? forces in international peace support operations. (DoD photo by Sgt. John M. Ewald, U.S. Marine Corps/Released)