U.S. Navy Engineman Zach Martin, attached to Coastal Riverine Squadron (CORIVRON) 2, conducts in water proficiency exchanges with Guatemalan servicemembers, attached to Fuerza Especial Naval (FEN), during Southern Partnership Station 2014 (SPS-JHSV 14). U.S. Naval Forces Southern Command and U.S. 4th Fleet employ maritime forces in cooperative maritime security operations in order to maintain access, enhance interoperability, and build enduring partnerships that foster regional security in the U.S. Southern Command area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Andrew Schneider/Released)