181010-N-CE622-0269 LA UNION, El Salvador (Oct. 10, 2018) Hospital Corpsman 2nd Class Roderick Lagunero, from San Diego, Calif., demonstrates intravenous application techniques at Destacamento Militar Numero 3 (DM-3) as part of a subject matter expert exchange with Salvadoran military professionals during Southern Partnership Station 2018. DM-3 is a military detachment that supports the operations of Salvadoran military professionals. 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)