UNITAS is a longstanding, multinational maritime exercise conducted annually in Latin America and the Caribbean to enhance security cooperation and improve coalition operations. Hosted by the Colombian navy from Aug. 31 - Sept. 11, 2018, UNITAS Pacific 2018 included forces conducting operations in the Western Caribbean Sea. Ships, aircraft and personnel from 11 countries, including the United States, took part in the exercise. UNITAS Amphib 2018, hosted by Brazil, was a tabletop exercise completed Aug. 25.