Argentinean members of the U.N. security force in Haiti, provide security, June 17, outside the Desdunes medical clinic where more than 1,000 citizens line up each day for free medical services from U.S., Canadian and Colombian military medical and dental practitioners during Task Force Bon Voizen humanitarian relief operations. Task Force Bon Voizen, New Horizons Haiti 2011, is a Commander, U.S. Southern Command sponsored, U.S. Army South conducted, joint foreign military interaction/humanitarian exercise under the command of the Louisiana National Guard. Task Force Bon Voizen is deploying U.S. military engineers and medical professionals to Haiti for training and to provide humanitarian services. Task Force Bon Voizen will build a school, two medical clinics and a latrine facility, as well as staff three medical clinics and one dental clinic between April 28 and June 25 in the Artibonite Department.