190710-N-BV658-1072 CALLAO, Peru (July 10, 2019) Lt. Cmdr. Christopher Sellers, a Navy dentist assigned to the hospital ship USNS Comfort (T-AH 20), extracts a patient’s tooth at a temporary medical treatment site. Comfort is working with health and government partners in Central America, South America, and the Caribbean to provide care on the ship and at land-based medical sites, helping to relieve pressure on national medical systems strained by an increase in Venezuelan migrants. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kryzentia Richards)