U.S. Air Force Tech. Sgt. Shane Johnson holds back mock protestors at a simulated riot for Vigilant Catamount at Western Carolina University, Cullowhee North Carolina, June 13, 2017. Vigilant Catamount is a mulitday, multi-agency training exercise ending with simulated riot at Western Carolina University, involving Army National Guard Military police and the 145th Airlift Wing Security Forces.