ATLANTIC OCEAN (Aug. 29, 2023) The Los Angeles-class fast-attack submarine USS San Juan (SSN 751) transits the Atlantic Ocean during Operation Nanook, Aug. 29, 2023. OP NANOOK is an annual sovereignty operation and maneuver warfare exercise conducted by the Canadian Armed Forces in the Arctic, with participation by U.S. Navy and U.S. Coast Guard. (U.S. Navy photo by Lt. Alex Fairbanks)