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U.S. Sailors with 2nd Medical Battalion, 2nd Marine Logistics Group, in support of Special Purpose Marine Air-Ground Task Force UNITAS LXIII discuss medical treatment with Brazilian marines while participating in a surgical training event during exercise UNITAS LXIII in Marambaia, Brazil, Sept. 10, 2022. The training event consisted of a medical equipment presentation, a field surgery, and a casualty evacuation via a Brazilian armored personnel carrier. UNITAS, which is Latin for “unity,” was conceived in 1959 and has taken place annually since first conducted in 1960. This year marks the 63rd iteration of the world’s longest-running annual multi-national maritime exercise. Additionally, this year Brazil celebrated its bicentennial, a historical milestone commemorating 200 years of the country’s independence. (U.S. Marine Corps photo by Lance Cpl. David Intriago)