190910-N-DZ642-1069 POINT FORTIN, Trinidad And Tobago (Sept. 10, 2019) Lt. Cmdr. Martin Casarez, left, and Hospital Corpsman 3rd Class Aljefferson Lintag, assigned to the hospital ship USNS Comfort (T-AH 20), teach a Trinbagonian man how to use a walker at a temporary medical treatment site in Point Fortin, Trinidad, Sept. 10, 2019. 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 Bobby J. Siens/Released)