U.S. Army Sgt. 1st Class Alexander Ropon, a medical

U.S. Army Sgt. 1st Class Alexander Ropon, a medical planner with the U.S. Army South Medical Division, reviews with Guatemalan army soldiers from the humanitarian and rescue unit, the techniques used to treat a simulated casualty during a medical exchange at the administrative support unit of the humanitarian and rescue unit in Guatemala City, Guatemala, July 14, 2011. This exchange involved personnel from Guatemala and the United States working together to share combat medical tactics, techniques and information.