U.S. Air Force Senior Airman Jeremiah Polson, assigned to the 820th Rapid Engineer Deployable Heavy Operational Repair Squadron Engineers, builds a corner section of an 11-room addition to a school in Hattieville, Belize, April 7, 2014, as part of New Horizons 2014. New Horizons is a U.S. Southern Command-sponsored annual series of joint humanitarian assistance exercises deploying U.S. military engineers, veterinarians, medics and other professions to Central and South American nations for training, construction projects and to provide humanitarian and medical services.