U.S. Air Force Honor Guardsmen perform the presenting of the colors during Air Force Chief of Staff Gen. Mark Welsh III’s retirement ceremony at Joint Base Andrews, Md., June 24, 2016. Welsh retired effective July 1, 2016 after 40 years of honorable military service with military leadership, personnel, friends and family attending the ceremony. (U.S. Air Force photo by Senior Airman Joshua R. M. Dewberry)