PETERSON SPACE FORCE BASE, Colo. – U.S. Space Force Brig. Gen. Shawn Bratton, Space Training and Readiness Command commander, passes the Space Delta 10 – Doctrine and Wargaming guidon to U.S. Space Force Col. Jack D. Fulmer II, DEL 10 commander, during the activation ceremony at Peterson Space Force Base, Colorado, Sept. 30, 2021. DEL 10 is temporarily located at the United States Air Force Academy until the completion of the Department of the Air Force’s Strategic Basing Process is completed and approved by the Secretary of the Air Force. (U.S. Space Force photo by Staff Sgt. Matthew Coleman-Foster)