Guatemalan police officers who are part of the Guatemalan Inter-Agency Border Unit, take up a defensive position after stopping a suspected vehicle during a vehicle search exercise at the Guatemalan military academy in San Juan Sacatepéquez, Guatemala, May 21, 2013. The U.S. Army is working with the U.S. Border Patrol to train the newly formed Guatemala Inter-Agency Border Unit (IABU) with the mission of interdicting the flow of illicit activities on the Guatemalan borders. (U.S. Army photo by Kaye Richey/Released)