190723-N-MX527-1083 Puntarenas, COSTA RICA (July 23, 2019) Lt. j.g. Christianne Villanueva, a Navy nurse, assigned to hospital ship USNS Comfort (T-AH 20), helps paint a community pool while the ship is in port for a medical mission. 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)