18th FIS Change of Command
U.S. Air Force Lt. Col. Nathan Mondul, right, relinquishes command of the 18th Fighter Interceptor Squadron to U.S. Air Force Col. Samuel Chipman, 354th Operations Group commander, during a change of command ceremony at Eielson Air Force Base, Alaska, May 8, 2026. The ceremony features the passing of the guidon from the outgoing to the incoming commander, ensuring continuity of authority and accountability before the assembled unit and underscoring the Air Force’s commitment to discipline and heritage. (U.S. Air Force photo by Senior Airman Nicholas Paczkowski)