160317-N-YC845-006 NORFOLK, Va. (Feb. 22, 2016) � Administrative Officer Lt. Chinuah Twitty, from Chesapeake, Va., observes Sailors conducting the Navy-wide E-4 advancement exam on the mess decks aboard the amphibious assault ship USS Bataan (LHD 5). (U.S. Navy photo by Mass Communication Specialist 1st Class Julie Matyascik/Released)