U.S. Air Force Senior Airman Dylan Troiani, 823rd Expeditionary RED HORSE Squadron structural journeyman, out of Hurlburt Field, Fla., mixes cement for use in filling the interior walls of the new two-classroom schoolhouse at the Gabriela Mistral primary school construction site in Ocotes Alto, Honduras, June 27, 2015. The construction project is one part of the New Horizons Honduras 2015 training exercise taking place throughout Trujillo and Tocoa, Honduras. 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)