Michigan Air National Guard power production Airmen from the 110th Civil Engineer Squadron and the Alpena Combat Readiness Training Center (CRTC) remove bolts from a fairlead beam June 8, 2021, at the Alpena CRTC, Michigan. The Alpena CRTC replaced their aircraft arresting system, which is designed to help stop aircraft with tail hooks in case of emergency. (U.S. Air National Guard photo by Staff Sgt. Tristan D. Viglianco)