Running the Gauntlet Space Force Spc. 4 Nikolaos Garske receives congratulations while running through a ceremonial gauntlet after being selected for promotion to sergeant during a guardian promotion ceremony at Schriever Space Force Base, Colo., July 25, 2025. SHARE: Download: Full Size (1.88 MB) Tags: space force Credit: Tiana Williams, Space Force VIRIN: 250725-X-IF173-1004P.JPG Photo Gallery