Japanese Maritime Self Defense Force Capt. Minoru Oya and colleagues discuss mission plans 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.