Col. Gretchen Wiltse, 434th Maintenance Group commander, receives the guidon from Col. Larry Shaw, 434th Air Refueling Wing commander, during an assumption of command ceremony at Grissom Air Reserve Base, Indiana Oct. 6, 2019. Wiltse comes to Grissom from Headquarters Air Force Reserve Command, Robins Air Force Base, Georgia, were she served as chief of logistics readiness division. (U.S. Air Force photo/MSgt. Ben Mota)