Children await the arrival of the official party and the start of the Beyond the Horizon opening ceremony at a school in San Marcos, El Salvador, April 18, 2013. Military Engineers and medical professionals partner with Salvadoran professionals to bring much needed assistance in rural areas of the country. Beyond the Horizon is a chairman of the Joint Chiefs of Staff-directed, U.S. Southern Command-sponsored joint and combined field training humanitarian exercise. (U.S. Army photo by Lt. Col. Bob Whetstone/Released)