SCHRIEVER SPACE FORCE BASE, Colo. -- The activation of Space Delta 15 was conducted at Schriever SFB, CO, Friday, March 10, 2023. During the ceremony, hosted by U.S. Space Force Brig. Gen Dennis Bythewood, Commander of the Joint Task Force for Space Defense, USSF Col Stephen Lyon was appointed as the unit's first commander. (U.S. Space Force Photo by Dennis Rogers).