Sargento 3 Fuzilero Naval do Brasil (Brazilian Navy Sergeant 3) Diego Freitas Ceroulo, an amphibious assault vehicle crewman, gives a mission brief to Brazilian and Chilean Marines before joint amphibious landing exercises during UNITAS on the Brazilian Marine Corps Base of Ilha do Governador, Brazil, Aug. 20, 2019. AAVs can conduct ship to shore movements to aid in supporting humanitarian assistance and disaster relief situations. UNITAS is the world’s longest-running annual exercise and brings together multinational forces from 11 countries to include Brazil, Colombia, Peru, Chile Argentina, Ecuador, Panama, Paraguay, Mexico, Great Britain and the United States. The exercise focuses in strengthening the existing regional partnerships and encourages establishing new relationships through the exchange of maritime mission-focused knowledge and expertise during multinational training operations. (U.S. Marine Corps photo by Sgt. Booker T. Thomas III)