SCHRIEVER AIR FORCE BASE, Colo. -- Col. Dean Sniegowski, 310th Space Wing commander, receives the 310th Operations Group guidon from Col. Stephen Slade, outgoing 310th OG commander, during a change of command ceremony Saturday, Jan. 5th, 2019. Col. Leland Leonard received command of the group during the same ceremony. (U.S. Air Force photo/Staff Sgt. Laura Turner)