190410-N-SG189-2005 ATLANTIC OCEAN (April 10, 2019) Culinary Specialist 3rd Class Albert Amsifu, left, sets bandages on Hospital Corpsman Apprentice Lilqwanda Sanders during a medical drill aboard the Arleigh Burke-class guided-missile destroyer USS Jason Dunham (DDG 109). Jason Dunham is participating in exercise Frontier Sentinel 19, which helps to establish conditions for security and stability in the region as Canada and the United States work closely to defend North America from rapidly evolving threats. (U.S. Navy photo by Mass Communication Specialist 3rd Class J. Keith Wilson/Released)