170510-N-AX546-187 BLACK SEA (May 10, 2017) Boatswain's Mate 1st Class Brandon Sonia fires an M240B machine gun aboard the Arleigh Burke-class guided-missile destroyer USS Oscar Austin (DDG 79) during a live-fire exercise. Oscar Austin is on a routine deployment supporting U.S. national security interests in Europe, and increasing theater security cooperation and forward naval presence in the U.S. 6th Fleet area of operations. (U.S. Navy Photo by Mass Communication Specialist 1st Class Sean Spratt/Released)