U.S. Army Lt. Col. Greg Geissinger, a physicians assistant, and Soldiers with the Wisconsin Medical Detachment, Wis. National Guard, treat Spc. Ryan Green with the 982nd Combat Camera Company, for an ankle injury in the infirmary at Military District Six in Sonsonate, El Salvador, April 14, 2013. 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 Sgt. 1st Class Horace Murray/Released)