171122-N-QM691-0306 AMAZON RIVER, Brazil (Nov. 22, 2017) Lt. Cmdr. Patricia Hogan, an internal medicine specialist, sooths an elderly woman during an operation aboard NAsH Soares de Meirelles near a remote village along the Amazon River in Brazil. Lt. Cmdr. Thomas K. Barlow, a dermatology specialist, left, and Cmdr. Carlos Marco, Manaus Naval Polyclinic Director, middle, performed the operation to remove a growth from the elderly woman's finger. Hogan and Barlow are members of a team of five U.S. Navy doctors who are engaging in a month-long humanitarian mission up the Amazon River. The team is 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)