Change of Command Defense Secretary Dr. Mark T. Esper, left, presides over a change-of-command ceremony in which Army Gen. James H. Dickinson succeeds Space Force Gen. John W. “Jay” Raymond as the commander of U.S. Space Command, Peterson Air Force Base, Colo., Aug. 20, 2020. SHARE: Download: Full Size (3.07 MB) Credit: Lewis Carlyle, DOD VIRIN: 200820-F-CN249-1206.JPG Photo Gallery