150319-N-FQ994-011 MEDITERRANEAN SEA (March 19, 2015) Sailors take the petty officer 3rd class advancement exam on the mess decks aboard the guided-missile destroyer USS Ross (DDG 71). Ross is conducting naval operations in the U.S. 6th Fleet area of responsibility in support of U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 3rd Class Robert S. Price/Released)