190812-N-DO465-1007 BOCA DOS CURRAIS, Brazil (Aug. 12, 2019) Lt. Rene Liggett distributes toothpaste to schoolchildren during a health and wellness presentation led by the Brazilian navy in Boca dos Currais, Brazil, Aug. 12. This visit marks the fourth stop of a 26-day Brazil riverine humanitarian medical mission by five U.S. Navy and Air Forces physicians, a U.S. Navy nurse and their Brazilian counterparts deployed aboard the Brazilian navy hospital ship NAsH Doutor Montenegro (U16). The purpose of the mission is to exchange medical expertise and provide medical care to isolated communities along the Amazon River and serve as a capstone event for the U.S. Military Tropical Medicine Course. (U.S. Navy photo/Released)