MEDITERRANEAN SEA– Shells from a .50-caliber machine gun lay on the deck during a live-fire exercise aboard the Arleigh Burke-class guided-missile destroyer USS Porter (DDG 78) Jan. 12, 2019.
Porter, forward-deployed to Rota, Spain, is on its sixth patrol in the U.S. 6th Fleet area of operations in support of U.S national security interests in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 2nd Class James R. Turner/Released). Original public domain image from Flickr.