Col. Mark S. Larson, left, 931st Air Refueling Wing commander, passes the 931 MXG guidon to Col. Heath Fowler, 931st Maintenance Group commander, during an activation and assumption of command ceremony June 4, 2016, in Hangar 1107 at McConnell Air Force Base, Kansas. The passing of the guidon serves as the official marker for the transfer of authority from one commander to the next. (U.S. Air Force photo by Senior Airman Preston Webb)