U.S. Space Force Maj. Gen. James E. Smith, commander of Space Training and Readiness Command, center, passes the Space Delta 12 guidon to Col. Anna Gunn-Golkin, incoming commander, during a change of command ceremony at Schriever Space Force Base, Colorado, July 31, 2026. Space Delta 12 leads the integrated test and evaluation of U.S. Space Force capabilities to rapidly field combat-credible weapon systems and tactics. The event symbolized the transfer of authority and trust, marking a new chapter of leadership for the delta.(U.S. Space Force photo by Isaac Blancas)