U.S. Air Force Col. Gavin Marks, 55th Wing commander, passes the guidon to U.S. Air Force Col. Steven Wieland, incoming 55th Communications Group commander, during the 55th CG Change of Command ceremony July 10, 2019, at Offutt Air Force Base, Nebraska. Wieland assumes command from U.S. Air Force Col. Corey Ramsby, who departs to be a ROTC commandant at the University of Notre Dame. (U.S. Air Force photo by L. Cunningham)