150407-N-ZE250-117 BLACK SEA (April 7, 2015) Logistics Specialist Seaman Elliott Dreiling fires an M2 .50 caliber machine gun during a live-fire exercise aboard the guided-missile destroyer USS Jason Dunham (DDG 109). 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)