ATLANTIC OCEAN (Aug. 29, 2023) The Los Angeles-class fast-attack submarine USS San Juan (SSN 751) and the Royal Canadian Navy arctic offshore patrol ship HMCS Harry DeWolf (AOPV-430) prepare to sail in formation for a photo exercise during Operation Nanook, Aug. 29, 2023. Operation NANOOK is an annual sovereignty operation and maneuver warfare exercise conducted by the Canadian Armed Forces in the Arctic, with participation by the U.S. Navy and U.S. Coast Guard. (U.S. Navy photo by Lt. Alex Fairbanks)