Posted: 01/01/2015
BLACK SEA (Jan. 7, 2015) The guided-missile destroyer USS Donald Cook (DDG 75) transits the Black Sea. Donald Cook 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 2nd Class Karolina A. Oseguera)