180622-N-FC991-044 SAN DIEGO (June 22, 2018) Mexican navy cadets are escorted down the pier at Naval Station San Diego, Calif., during a tour of the amphibious assault ship USS Boxer (LHD 4). Boxer is pierside in its homeport preparing for sea trials. (U.S. Navy photo by Mass Communication Specialist 3rd Class Preston Jarrett/Released)