Military police from the U.S. Army 93rd Military Police Battalion and the Zambian Defense Force fend of protesters during a simulated riot at Southern Accord 2015 in Lusaka, Zambia on Aug. 13, 2015. The annual exercise provides U.S. Military, United Nation allies and the Zambian Defense Force an opportunity to work and train together as a combined joint peacekeeping allied force. (U.S. Army Africa photo by USAF Brian Kimball)