150315-N-XB010-089 SEA OF CRETE (March 15, 2015) The guided-missile destroyer USS Laboon (DDG 58) fires a MK 45 5-inch gun. Laboon 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 Desmond Parks/Released)