U.S. Air Force Maj. Karen Shook, commander, 145th Aircraft Maintenance Squadron is pinned to the rank of lieutenant colonel during a promotion ceremony held in her honor at the North Carolina Air National Guard Base, Charlotte Douglas International Airport, Nov. 7, 2015. Col. Stephen Mallette, commander, 145th Maintenance Group and Shook’s husband Alan, had the honor of replacing the golden oak-leaf with the silver oak-leaf, the insignia for lieutenant colonel. (U.S. Air National Guard photo by Master Sgt. Patricia F. Moran, 145th Public Affairs/Released)