190121-N-UI104-0101 PACIFIC OCEAN (Jan. 21, 2019) Sailors assigned to the Arleigh Burke-class guided-missile destroyer USS Preble (DDG 88) fire M16 rifles during a small arms qualification course. Preble is deployed to the U.S 7th Fleet area of operations in support of security and stability in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 1st Class Bryan Niegel/Released)