U.S. Air Force Col. Edward Cullumber, former 442d Medical Squadron Commander, hands the MDS flag to Brig. Gen. Roger Suro, 442d Fighter Wing Commander, during the change of command ceremony held at Whiteman Air Force Base, Mo., May 4, 2019. Cullumber joined the Air Force Reserve in 2006 into the Biomedical Services Corps. (U.S. Air Force photo by Staff Sgt. Missy Sterling)