INDIAN OCEAN (Feb. 8, 2022) Seaman Cameron Collins, from Cumming, Ga., investigates secondary boundaries during a flooding casualty drill aboard the Arleigh Burke-class guided-missile destroyer USS Gridley (DDG 101). Gridley is assigned to Destroyer Squadron (DESRON) 15 and is underway supporting a free and open Indo-Pacific. CTF 71/DESRON 15 is the Navy’s largest forward-deployed DESRON and the U.S. 7th Fleet’s principal surface force. (U.S. Navy photo by Mass Communication Specialist 2nd Class Colby A. Mothershead)