250527-N-OC941-3005 SAN SALVADOR, El Salvador (May 27, 2025) – Captain of the Salvadoran Navy, Capt. Omar Hernandez, left, and U.S. Naval Forces Southern Command / U.S. 4th Fleet Commander Rear Adm. Carlos Sardiello, right, receive a Tsunami unmanned surface vessel (USV) capabilities overview during the Hybrid Fleet Campaign (HFC) Fleet Experiment (FLEX)’s showcase event at CSL Comalapa near San Salvador, El Salvador, May 27, 2025. HFC is a learning campaign to retain and improve advantages using next-generation manned and unmanned systems, tested and integrated during and after FLEX. U.S. Naval Forces Southern Command/U.S. 4th Fleet is the maritime component of U.S. Southern Command and the trusted maritime partner for Caribbean, Central and South America maritime forces leading to improved unity, security and stability. (U.S. Navy photo by Chief Mass Communication Specialist John R. Fischer/Released)