U.S. Air Force Brig. Gen. Jason E. Bailey, 31st Fighter Wing commander, left, passes the guidon to U.S Air Force Colonel Leslie Hauck, 31st Operations Group (OG) outgoing commander, during the 31st OG change of command ceremony at Aviano Air Base, Italy, July 9, 2021. The passing of the guidon is a formal process during a change of command ceremony signifying the transfer of leadership from one officer to another. (U.S. Air Force photo by Senior Airmen Jessica Blair)