APRA HARBOR, Guam (Aug. 6, 2021) Chief Boatswain's Mate Edney Sheehan, right, from Greenville, S.C., and Mineman 2nd Class William Updegraff, from New Orleans, assigned to Independence-variant littoral combat ship USS Charleston (LCS 18), conduct a search and rescue swimmer exercise. Charleston, part of Destroyer Squadron Seven, is on a rotational deployment operating in the U.S. 7th Fleet area of operation to enhance interoperability with partners and serve as a ready-response force in support of a free and open Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Adam Butler)