Lance Cpl. Ross Walters (left), military police with 4th Law Enforcement Battalion, Force Headquarter Group, Marine Forces Reserve, and Lance Cpl. Wyatt Price (right), military police, with 4th LE Bn., FHG, MARFORRES, practice tactical questioning techniques during counter improvised explosive device training at exercise Platinum Wolf 2016, on Peacekeeping Training Operations Center South Base in Bujanovac, Serbia, May 10, 2016. Classes are given from various instructors to the partnering nations of Bosnia, Bulgaria, Macedonia, Montenegro, Slovenia, Serbia and the United States. The purpose of the exercise is to practice peacekeeping operations and develop interoperability between nations. (U.S. Marine Corps photo by Sgt. Sara Graham)