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250416-N-GB257-1009 Sullivan’s Island, SC (April 16, 2025) Naval Information Warfare Center (NIWC) Atlantic and Naval Surface Warfare Center, Crane Division (NSWC Crane) completed a week of intensive research and communications testing called “Southern Lightning” on April 18 involving unmanned autonomous systems off the coast of Sullivan’s Island in partnership with U.S. Fleet Forces Command. (U.S. Navy photo by Joe Bullinger/Released
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