190630-N-AM903-1049 MANTA, Ecuador (June 30, 2019) Cmdr. Nathaniel Williams, a Navy orthodontic surgeon assigned to the hospital ship USNS Comfort (T-AH 20), conducts a tooth extraction on a patient 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 2nd Class Julio Martinez Martinez/Released)