A U.S. Marine Lance Corporal Troy Matthews hands mortar to Lance Corporal Michael Dillard, both combat engineers with the 271st Marine Wing Support Squadron, 2nd Marine Air Wing, out of Marine Corps Air Station Cherry Point, N.C., while at the Gabriela Mistral primary school construction site in Ocotes Alto, Honduras, June 13, 2015. The school project is one part of the New Horizons Honduras 2015, an annual humanitarian and training exercise put on by U.S. Southern Command. New Horizons was launched in the 1980s and is an annual joint humanitarian assistance exercise that U.S. Southern Command conducts with a partner nation in Central America, South America or the Caribbean. The exercise improves joint training readiness of U.S. and partner nation civil engineers, medical professionals and support personnel through humanitarian assistance activities. (U.S. Air Force photo by Capt. David J. Murphy/Released)