U.S. Army Col. Brad Kohl checks a boy's teeth at a Medical Readiness Training Exercise during Beyond the Horizon, Lomos Abajo, Guatemala, May 19, 2014. Beyond the Horizon is an annual exercise that embraces the partnership between the United States and Guatemala, to provide focused humanitarian assistance through various medical, dental, and civic action programs. (U.S. Army photo by Pvt. First Class Christopher Martin/Released)