190726-N-AM903-1091 PUNTARENAS, Costa Rica (July 26, 2019) Capt. Michael Sullivan, left, a Navy doctor assigned to the hospital ship USNS Comfort (T-AH 20) and Charles Madisson Sanchez, of Costa Rican Social Security gives a pediatric exam 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)