Lt. Col. Mark Ruehter accepts guideon from Col. Ed Black
U.S. Air Force Lt. Col. Mark Ruehter, right, accepts a guideon from Col. Ed Black, commander of the 139th Airlift Wing, during a change of command of the 139th Mission Support Group at Rosecrans Air National Guard Base, St. Joseph, Mo., on Jan. 5, 2019. Ruehter assumed command from Col. Gordon Meyer, who now works at the Missouri National Guard headquarters. (U.S. Air National Guard photo by Senior Airman Audrey Chappell)