221005-N-MY408-1038 PACIFIC OCEAN (Oct. 5, 2022) Navy Gunner's Mate 2nd Class Christopher Marthini, from Tri-Cities, Wash., demonstrates the M4A1 carbine service rifle safety measures during a security reaction force basics course aboard the Arleigh Burke-class guided-missile destroyer USS Decatur (DDG 73). Decatur is currently operating with Nimitz Carrier Strike Group in preparation for an upcoming deployment.

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Photo credit: © Operation 2022 / Alamy / Afripics
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Keywords: 73, ddg, decatur, destroyer, navy, training, weapons