150319-N-RC734-009 SAN DIEGO (March 19, 2015) Fireman Logan Post takes the Navy-wide E-4 advancement exam on the mess decks of the amphibious transport dock ship USS San Diego (LPD 22). San Diego is at homeport at Naval Base San Diego. (U.S. Navy photo by Mass Communication Specialist 1st Class Joseph M. Buliavac/Released)