SULU SEA (Oct. 10, 2021) Mineman 1st Class David Fifelski, from Midland, Mich., left, and Mineman 3rd Class Kern Daniel, from Harrison, Ohio, mount a M240B machine gun aboard the Independence-variant littoral combat ship USS Charleston (LCS 18) while operating at sea. Charleston, part of Destroyer Squadron Seven, is on a rotational deployment, is operating in the U.S. 7th fleet area of operations to enhance interoperability with partners and serve as a ready-response force in support of free and open Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ryan M. Breeden)