180921-N-CE622-0563 TEGUCIGALPA, Honduras (Sept. 21, 2018) Hospital Corpsman 2nd Class Roderick Lagunero, from San Diego, Calif., demonstrates proper water sanitation techniques at an Escuela de Comando y Estado Mayor (ECEM) facility as part of a subject matter expert exchange during Southern Partnership Station 2018. ECEM is a military school that prepares Honduran officers for leadership positions. Southern Partnership Station is a U.S. Southern Command-sponsored and U.S. Naval Forces Southern Command/U.S. 4th Fleet-conducted annual deployment focused on subject matter expert exchanges and building partner capacity in a variety of disciplines including medicine, construction, and dive operations in the Caribbean, Central and South America. (U.S. Navy photo by Mass Communication Specialist 3rd Class Katie Cox/Released)