190808-A-OQ942-1032 COLON, Panama (Aug. 8, 2019) Mexican army Lt. Marcela Perez, a pediatrician assigned to the hospital ship USNS Comfort, checks a patient’s vital signs at a temporary medical treatment site. Comfort is working with health and government partners in Central America, South America and Caribbean to provide care on the ship and at land-based medical sites, helping to relive pressure on national medical systems stained by an increase in Venezuelan migrants. (U.S. Army photo by Spc. Dedrick Johnson)