A French army soldier prepares ammunition canisters during Combined Endeavor 2013 at Grafenwoehr Training Area, Joint Multinational Training Command, in Bavaria, Germany, Sept. 17, 2013. Combined Endeavor is an annual command, control, communications and computer systems (C4) exercise designed to prepare international forces for multinational operations in the European theater. (U.S. Army photo by Gertrud Zach/Released)