U.S. Air Force Gen. Jeffrey L. Harrigian, U.S. Air Forces in Europe and Air Forces Africa commander, signs a guest book at the Italian Air Force Club, Aviano Air Base, Italy, Nov. 15, 2019. Gen. Harrigian was commissioned in 1985 as a graduate of the U.S. Air Force Academy. (U.S. Air Force photo by Airman Thomas S. Keisler IV)