Col. Paul Birch, left, 93d Air Ground Operations Wing commander, and Col. Benito Barron, 820th Base Defense Group (BDG) commander, pose for at photo during a change of command ceremony, July 12, 2018, at Moody Air Force Base, Ga. The ceremony represents the formal passing of responsibility, authority and accountability of command from one officer to another. Barron, who recently relinquished his duties as the Chief of the Homeland Defense and Protection Division for Headquarters United States Northern Command, will now command the 820th BDG. The 820th BDG is the Air Force’s only unit specifically designed to provide fully integrated defense operations. (U.S. Air Force photo by Airman 1st Class Erick Requadt)