190620-N-AM903-1019 CARIBBEAN SEA (June 20, 2019) Lt. Marcelo Alcantar conducts medical training aboard the hospital ship USNS Comfort (T-AH 20). Comfort is deploying to South America, Central America and the Caribbean in support of humanitarian and partner-building efforts. Comfort's return to the region reflects a common commitment to the respect of human rights and stable, secure, and prosperous democracies in the Americas. (U.S. Navy photo by Mass Communication Specialist 2nd Class Julio Martinez Martinez/Released)