PACIFIC OCEAN (Nov. 5, 2017) Gunner’s Mate Seaman William Davis cleans the barrel of the Mark 45 5-inch gun aboard the Arleigh Burke-Class guided-missile destroyer USS Michael Murphy (DDG 112). Michael Murphy is participating in a sustainment training exercise in preparation for an upcoming deployment. ( Navy photo by Mass Communication Specialist Seaman Jasen Morenogarcia/Released)

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Photo credit: © Archistoric / Alamy / Afripics
License: Licensed
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