180622-N-FC991-073 SAN DIEGO (June 22, 2018) Ens. Manuel Reynoso, right, explains the uses for the hangar bay to Mexican navy cadets 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)