U.S. sailors participate in a medical evacuation exercise during a general quarters drill aboard the amphibious assault ship USS Boxer (LHD 4) in the Arabian Sea Feb. 22, 2014. The Boxer was underway in the U.S. 5th Fleet area of responsibility supporting maritime security operations and theater security cooperation efforts. (U.S. Navy photo by Mass Communication Specialist 3rd Class Conor Minto/Released)