180301-N-UG095-009 PACIFIC OCEAN (March 1, 2018) Chief Interior Communications Electrician John Zion proctors the Navy wide E-6 advancement exam on the mess decks aboard amphibious assault ship USS Boxer (LHD 4). Boxer is underway off the coast of Southern California for contractor sea trials. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael T. Eckelbecker/Released)