ATLANTIC OCEAN (Sep. 1, 2021) Sailors search for foreign object debris (FOD) during a FOD walk-down on the flight deck aboard the Arleigh Burke-class guided-missile destroyer USS Forrest Sherman (DDG 98). Forrest Sherman is participating in Exercise Frontier Sentinel alongside U.S. Coast Guard, and Canadian Allies to enhance their Arctic capabilities. (U.S. Navy Photo by Mass Communication Specialist Seaman Theoplis Stewart II)