Col. Tyler Schaff, 316th Wing and installation commander, left, Col. John Ross, 316th Operations Group commander, right, and Chief Master Sgt. Harold Kruger, 316th Operations Group superintendent, stand at attention during a change of command ceremony June 10, 2021, at Joint Base Andrews, Md. Organizational flags were developed with color arrangements and symbols unique to each particular unit. A change of command is a military tradition that represents a formal transfer of authority and responsibility for a unit from one commander to another. (U.S. Air Force photo by Senior Airman Daniel Brosam)