171121-N-QM691-0224 AMAZON RIVER, Brazil (Nov. 21, 2017) Lt. Cmdr. Patricia Hogan, left, an internal medicine specialist, laughs with a young girl in a remote village along the Amazon River in Brazil, Nov. 21, 2017. Hogan is working with 1st Lt. Priscila Tomy Ribeiro, a Brazilian medical officer, to diagnose the child. Hogan is part of a team of five U.S. Navy doctors who are engaging in a month-long humanitarian mission up the Amazon River. They are working with the Brazilian Navy to deliver healthcare to some of the most isolated people in the world. (U.S. Navy photo by Mass Communication Specialist 2nd Class Andrew Brame/Released)