15th HCOS change of command July 21, 2022
Lt. Col. Joseph Sanchez, 15th Healthcare Operations Squadron incoming commander, assumes command of the 15th HCOS by accepting the guidon from Col. Stephanie Ku, 15th Medical Group commander, during a change of command ceremony at Joint Base Pearl Harbor-Hickam, Hawaii, July 21, 2022. The passing of the guidon is a visual representation of the transfer of responsibility from the former commander to the new commander. (U.S. Air Force photo by Staff Sgt. Alan Ricker)