150303-N-ZE250-179 ATLANTIC OCEAN Gunner’s Mate 1st Class Daniel Pangburn fires a .50-cal. M2 machine gun during a live fire exercise on the aft missile deck of USS Jason Dunham. Jason Dunham, an Arleigh Burke-class guided-missile destroyer, homeported in Norfolk, is conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe.