191021-N-IA905-1201 SANTO DOMINGO, Dominican Republic (Oct. 21, 2019) Naval Aircrewman (Helicopter) 2nd Class Bruno Ferreria, left, attached to the hospital ship USNS Comfort (T-AH 20), observes as members of the Dominican Republic air force demonstrate survivor approach techniques during a search and rescue swimmer subject matter expert exchange in Santo Domingo, Dominican Republic, Oct. 21, 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, including those strained by an increase in cross-border migrants. (U.S. Navy photo by Mass Communication Specialist 2nd Class Morgan K. Nall/Released)