SCHRIEVER SPACE FORCE BASE, Colo. -- The Honorable Milancy D. Harris, left, Deputy Under Secretary of Defense for Intelligence and Security, shakes hands with U.S. Army Col. Elizabeth Helland, right, Deputy Commander of the Joint Task Force-Space Defense, during a visit to the JTF-SD and the National Space Defense Center at Schriever Space Force Base, Colorado, March 28, 2023. During the visit, Harris and the NSDC strategized opportunities for collaboration between the center, the Department of Defense, and the Intelligence Community. The NSDC is a national operations center that rapidly detects, warns, characterizes, attributes, and defends against threats to our Nation's vital space systems. (U.S. Space Force photo by Dennis Rogers)