U.S. Air Force Col. June Oh, 316th Wing and installation commander, presents the guidon to U.S. Air Force Col. Joseph A. Bincarousky Sr., incoming commander for the 316th Security Forces Group, during the unit’s change of command ceremony at Joint Base Andrews, Md., July 3, 2025. The passing of the guidon symbolizes the official transfer of authority and responsibility. (U.S. Air Force photo by Senior Airman Gianluca Ciccopiedi)