Senior Master Sgt. Jeffrey Bundy, 726th Air Mobility Squadron air terminal manager, is notified of his promotion to chief master sergeant from Col. Tad Clark, 52nd Fighter Wing vice commander, at Spangdahlem Air Base, Germany, Dec. 6, 2017. The rank of CMSgt is comprised of less than one percent of the enlisted Air Force population. (U.S. Air Force photo by Senior Airman Dawn M. Weber)