Belizean contractors prepare to level a concrete slab at a school in Hattieville, Belize, March 7, 2014, to prepare for a New Horizons 2014 construction project. Belize Defense Force personnel and other New Horizons participants planned to build a preschool at the site. 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.