U.S. Col. Andrew J. MacDonald stands at attention as he waits to take command of the 162nd Wing, and promotion to the rank of brigadier general at a change of command ceremony in Tucson, Ariz., Nov. 5, 2016. The 162nd Wing honors a military tradition dating back to the 18th Century that represents a format transfer of authority and responsibility for a unit from one commanding officer to another. (U.S. Air National Guard photo by 1st Lt. Lacey Roberts)