121st change of command
U.S. Air Force Col. Mark D. Auer assumed command of the 121st Air Refueling Wing from Col. Jim Jones, the previous wing commander, during a change of command ceremony, Rickenbacker Air National Guard Base, Ohio, July 12, 2015. As the 121 ARW wing commander, Auer is responsible to the Ohio Assistant Adjutant General for Air for ensuring the 1100 Airmen in the wing are ready to deploy in support of both homeland defense and federal missions. (U.S. Air National Guard photo by Senior Airman Wendy Kuhn/Released)