Service members from multiple gather during a brief while participating in UNITAS 2026, a U.S. Naval Forces Southern Command and U.S. Fourth Fleet-sponsored training exercise at Base Naval Del Callao, Peru Sept. 14, 2026. Hosted this year by Peru, this exercise trains forces to conduct joint maritime operations and focuses on strengthening partnerships, increasing interoperability and capability between participating naval and Marine Forces. (U.S. Marine Corps photo by Cpl. Breysson Villacortacampos)
U.S. Marines with Headquarters Company, 25th Marine Regiment, 4th Marine Division, and servicemembers of partner nations conduct a motivational run while participating in UNITAS 2026, a U.S. Naval Forces Southern/ U.S. Fourth Fleet sponsored training exercise at Base Naval de Infantería de Marina, Peru, Sept. 11, 2026. Hosted this year by Peru, this exercise trains forces to conduct joint maritime operations and focuses on strengthening partnerships, increasing interoperability and capability between participating naval and marine forces. (U.S. Marine Corps video by Cpl. Kanoa Thomas and Lance Cpl. Allan RodriguezRivera)
Leaders from the Chilean marine corps and U.S. Marine Corps Forces, South came together Oct. 22, 2025, for a Staff Planner Working Group hosted at Marine Corps Support Facilities New Orleans.
U.S. Marines and participating multinational forces kick off UNITAS LXVI (66), the world’s longest-running maritime exercise with military forces from 25 partner nations from Europe, the Caribbean, North, Central and South America, along with U.S. Navy and Marine Corps units, to strengthen interoperability, enhance maritime security and foster collaboration in the region.