U.S. Marines with 3rd Law Enforcement Battalion, III Marine Expeditionary Force, observe a demonstration of Mechanical Advantage Control Holds (MACH) during the Non-Lethal Weapons Executive Seminar (NOLES) in Five Hills Training Area, Mongolia, August 20, 2013. NOLES is a regularly scheduled field training exercise and leadership seminar sponsored annually by U.S. Marine Corps Forces Pacific, and it is designed to promote awareness and effective use of non-lethal weapons as a tool to maintain order in low-intensity or civil unrest situations. (U.S. Marine Corps Photo by Sgt John M. Ewald/released)