Two armed US Army soldiers, standing guard duty in front of a camouflage-netting covered covered bunker, watch Bosnian civilians sign out as they exit a control point at Camp Linda Olovo, Bosnia-Herzegovina, during Operation Joint Endeavor. Operation Joint Endeavor is a peacekeeping effort by a multinational Implementation Force (IFOR), comprised of NATO and non-NATO military forces, deployed to Bosnia in support of the Dayton Peace Accords