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The Arleigh Burke-class guided-missile destroyer USS Porter (DDG 78) fires its 5-inch gun during a live-fire exercise in the Mediterranean Sea, July 4, 2018.
The Porter was forward-deployed to Rota, Spain, on its fifth 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 Ford Williams) Original public domain image from Flickr
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