U.S. Air Force Col. Garrett Fisher, 15th Wing commander, presents a guidon to Col. Dennis Knight, 15th Maintenance Group incoming commander, on Joint Base Pearl Harbor-Hickam, Hawaii, Aug. 2, 2024. The change of command ceremony, marked by the passing of the guidon, signifies the official transfer of power from one commander to another. (U.S. Air Force photo by Senior Airman Mark Sulaica)