170508-N-AX546-158 BLACK SEA (May 8, 2017) Machinery Repairman 2nd Class Joshua Mills uses a lathe aboard the Arleigh Burke-class guided-missile destroyer USS Oscar Austin (DDG 79). 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)