190720-N-FO574-1117 PACIFIC OCEAN (July 20, 2019) Capt. Patrick Amersbach, commanding officer, Medical Treatment Facility, relieves Capt. Kevin Buckley during their change of command ceremony aboard the hospital ship USNS Comfort (T-AH 20). 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 Seaman Jordan R. Bair/Released)