Peruvian navy Lt. Miguel Herrera, an exchange officer assigned to Commander, Destroyer Squadron 40, meets with colleagues at the UNITAS 2025 Initial Planning Conference in Jacksonville, Fla., February 12. This year's UNITAS, the longest-running multinational maritime exercise in the world, will combine the efforts of Allies and Partners from across the globe and serve as the introduction to Navy 250 - the U.S. Navy's year-long birthday celebration. 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 American maritime forces leading to improved unity, security, and stability.