Nebraska National Guard soldiers and father and son, Sgt. 1st Class Mitchell Patzel and Pvt. Mitchell Patzel, Jr., work on a Movement Tracking System in a up-armored truck here during Beyond the Horizon-El Salvador at Military District Six, April 5, 2013. The father and son pair, the seniors last and juniors first, are here on annual training. Beyond the Horizon is a U.S. Southern Command-sponsored, Army South-led, joint-foreign military interaction and humanitarian exercise which will occur in El Salvador from late March to late June 2013. (Photo by Tech. Sgt. Mark Wyatt, Joint Task Force Jaguar Public Affairs)

See Associated Video