New 555th FS commander takes the reins
Lt. Col. Karl Ingeman, (right) former 555th Fighter Squadron commander, passes the squadron guidon to Col. David Walker, (left) 31st Operations Group commander, relinquishing command of the “Nickel.” Lt. Col. John Peterson, formerly Ingeman’s second in command, took up the reins during a ceremony June 25. (U.S. Air Force photo/Senior Airman Katherine Windish)