A U.S Air Force E-3 Sentry airborne warning and control system (AWACS), assigned to the 962nd Airborne Air Control Squadron, flies over Alaska during U.S. Northern Command Exercise ARCTIC EDGE 2022, March 16, 2022. AE22 is a biennial homeland defense exercise designed to provide high quality and effective joint training in austere cold weather conditions. AE22 is the largest joint exercise in Alaska, with approximately 1,000 U.S. military personnel training alongside members of the Canadian Armed Forces. (U.S. Air Force photo by Staff Sgt. Taylor Crul)