John F. Plumb, Ph.D., the first Assistant Secretary of Defense for Space Policy, speaks with U.S. Army Maj. Gen. Tom James, Joint Task Force-Space Defense commander, during his visit to the organization at Schriever Space Force Base, Colo., June 29, 2022. During the visit, Dr. Plumb and members of his team learned about the JTF-SD's protect-and-defend mission and its critical command and control networks. (U.S. Space Force Photo by Tiana Williams)