190629-N-MX527-1042 MANTA, ECUADOR (June 29, 2019) Lt. Cmdr. John Arce, a Navy Doctor, assigned to hospital ship USNS Comfort (T-AH 20), checks a patient's mouth at a temporary medical treatment center. 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 Brendan Fitzgerald)