Serbian Army soldiers conduct urban assault training with support from a UH-60 Black Hawk, assigned to 3rd Battalion, 158th Aviation Regiment, 12th Combat Aviation Brigade during exercise Combined Resolve II at the Hohenfels Training Area, Germany, May 17, 2014. Combined Resolve II is a U.S. Army Europe-directed multinational exercise at the Grafenwoehr and Hohenfels Training Areas, including more than 4,000 participants from 15 NATO and European partner nations. (U.S. Army photo by Visual Information Specialist Markus Rauchenberger/released)