A MQ-9 Reaper sits parked in a maintenance hangar during Northern Strike 21 at Alpena Combat Readiness Training Center, Michigan, Aug. 5, 2021. Northern Strike is a joint forces, multi-component, multinational exercise designed to build readiness and enhance interoperability with coalition forces to fight and win, it is held July 31, 2021 through Aug. 14, 2021 at the National All-Domain Warfighting Center. (U.S. Air National Guard photo by Senior Airman Wynndermere Shaw)