Col. Julie Stola, 45th Space Wing Medical Group commander, presents Lt. Col. Tara Lovell, 45th Medical Support Squadron commander, with the 45th MDSS guidon during a change of command ceremony July 10, 2017, at Patrick Air Force Base, Fla. Changes of command are a military tradition representing the transfer of responsibilities from the presiding officials to the upcoming official. (U.S. Air Force photo/Phil Sunkel)