A British soldier from the British Signals Regiment sets up power distribution for in preparation for Exercise Combined Endeavor 2014 at Grafenwoehr, Germany. Combined Endeavor is the preeminent command, control, communications and computer, or C4, systems exercise used for preparing international forces for multinational operations. The goal of Combined Endeavor is to foster stronger alliance and regional relations and security arrangements through C4 systems interoperability testing between NATO and Partnership for Peace nations' strategic and tactical communication systems.