150316-N-ZE250-013 BAR, Montenegro (March 16, 2015) A Montenegrin tugboat maneuvers the guided-missile destroyer USS Jason Dunham (DDG 109) out of port in Bar, Montenegro. Jason Dunham 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 Weston Jones/Released)