181018-N-UY653-120 MEDITERRANEAN SEA (Oct. 18, 2018) Sailors inspect a .50-caliber machine gun during a weapons familiarization course aboard the Arleigh Burke-class guided-missile destroyer USS Carney (DDG 64), Oct. 18, 2018. Carney, forward-deployed to Rota, Spain, is on its fifth patrol in the U.S. 6th Fleet area of operations in support of regional allies and partners as well as U.S. national security interests in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 1st Class Ryan U. Kledzik/Released)