Secretary of the Navy Ray Mabus visited the Marines and sailors of Marine Forces South, 1st Battalion, 23rd Marines, 4th Civil Affairs Group, 4th Marine Logistics Group and Marine Medium Helicopter Squadron 364 aboard the Chilean ship LSDH Sargento Aldea, August 21, 2014, in Valparaiso, Chile during Partnership of the Americas 2014. POA 14 is designed to enhance joint and combined interoperability, increase the combined capability to execute Amphibious Operations, Peace Support Operations, and Humanitarian Assistance/Disaster Relief missions, and further develop strong and lasting relationships the U.S. Marine Corps has established with partner nations' naval infantries/marine corps.