U.S. Army Spc. Brenna Bethea, an engineer with the 1023rd Vertical Engineer Company, 528th Engineer Battalion, Louisiana Army National Guard, preps mortar for laying blocks April 16, 2014, at Stella Maris School and the Belize Academy for the Deaf in Belize City, Belize, where U.S. and Belizean service members are building an addition during 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.