U.S. Air Force Chief Master Sgt. David Kelch, 23d Wing command chief, presents his retirement flag to his mother during his retirement ceremony at Moody Air Force Base, Ga., May 26, 2016. As the command chief, Kelch served as the liaison between the wing commander and the 23d WG's more than 6,000 military and civilian personnel. (U.S. Air Force photo by Andrea Jenkins/Released)