190219-N-PX867-1048 PACIFIC OCEAN (Feb. 19, 2019) Sailors assigned to the amphibious assault ship USS Boxer (LHD 4) treat a patient in an operating room during a medical drill. Boxer is underway conducting routine operations as part of the Boxer Amphibious Ready Group (ARG) in the eastern Pacific Ocean. (U.S. Navy photo by Mass Communication Specialist 3rd Class Justin Whitley/Released)