U.S. Space Force Col. Sacha Tomlinson poses for a photo after assuming command of Space Delta 12 during a change of command ceremony at Peterson Space Force Base, Colo., May 31, 2024. As the commander of Delta 12, Tomlinson leads the integrated test and evaluation of U.S. Space Force capabilities to rapidly field combat-credible weapon systems and tactics. (U.S. Space Force photo by Dalton Prejeant)