190806-N-DO465-1013 VILA DAS PEDRAS, Brazil (Aug. 6, 2019) The Brazilian navy hospital ship NAsH Doutor Montenegro (U16) moored in Vila Das Pedras, Brazil along the Parana dos Ramos river bank, Aug. 6. This visit marks the first 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 Montenegro. The purpose of the mission is to exchange medical expertise, 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)