Petty Officer 3rd Class Billy Stefanko, a crewmember and culinary specialist aboard the 270-foot Famous-class cutter USCGC Escanaba (WMEC 907), fires rounds with a 50 caliber gun for a general quarter exercise in preparation of Operation Nanook on Aug. 3, 2021, in the northern Atlantic. The U.S. Coast Guard is again participating with partners in Operation Nanook, an annual sovereignty operation and maneuver warfare exercise conducted by the Canadian Armed Forces in the Arctic. (U.S. Coast Guard photo by Petty Officer 3rd Class Dyxan Williams.)