Service members from more than 40 NATO and Partnership for Peace countries wait for opening ceremonies to begin during exercise Combined Endeavor 2013 (CE13), at the Joint Multinational Training Command in Grafenwoehr, Germany, Sept. 12, 2013. CE13 is a multinational command, control, communications and computer systems exercise designed to build and enhance communications and network interoperability between the participating NATO and Partnership for Peace countries. (U.S. Army photo by Spc. Franklin Moore/ Released)