Master Sgt. Chase Plumley, 235th Air Traffic Control Squadron chief of operations, walks on the landing zone in front of a KC-130F Hercules at the Holland Drop Zone Pass in Vass, N.C., July 19, 2023. The 235th ATCS led a two-week Landing Zone Safety Officer course for Airmen across the Air National Guard. (U.S. Air National Guard photo by Tech Sgt. Mary McKnight)