180405-N-PX867-146 SAN DIEGO (April 5, 2018) Rear Adm. Ivan Ingham, left, commodore of Warfare for the Royal Australian Navy, speaks with Capt. Benjamin Allbritton, commanding officer of the amphibious assault ship USS Boxer (LHD 4), during a tour of the ship. Boxer is pierside preparing for the commander of Naval Surface Forces sea trials. (U.S. Navy photo by Mass Communication Specialist 3rd Class Justin Whitley/Released)