180622-N-FC991-223 SAN DIEGO (June 22, 2018) Ship’s Serviceman 1st Class Christy Naranjo lectures Mexican navy cadets about the ship’s store functions during a tour of the amphibious assault ship USS Boxer (LHD 4) at Naval Station San Diego, Calif. Boxer is pierside in its homeport preparing for sea trials. (U.S. Navy photo by Mass Communication Specialist 3rd Class Preston Jarrett/Released)