Delta Salute Space Force Col. Mark Bigley, commander, Space Delta 9, salutes the flag during his delta's retreat ceremony at Schriever Space Force Base, Colo., Nov. 29, 2023. SHARE: Download: Full Size (2.04 MB) Tags: Space Force, Delta 9 Credit: Dalton Prejeant, Space Force VIRIN: 231129-X-X1914-1013A.JPG Photo Gallery