Col. Ian Dinesen (right) receives the 316th guidon from Col. Tyler R. Schaff, 316th Wing and Joint Base Andrews commander (left), during a change of command ceremony at Joint Base Andrews, Md., July 10, 2020. Dineson came from the Washington DC Liaison Office where he was responsible for liaison functions to the Office of the Secretary of Defense, the Joint Chiefs of Staff, Service Chiefs and Congress. (U.S. Air Force photo by Senior Airman Xiomara M. Martinez)