U.S. Air Force Col. Scott Walker, 8th Operations Group commander, receives the guidon from Col. John Bosone, 8th Fighter Wing commander, during a change of command ceremony June 5, 2018, at Kunsan Air Base, Republic of Korea. Walker assumed command of the 8th OG and received the title of “Viper.” (U.S. Air Force photo by Staff Sgt. Levi Rowse)