U.S. Air Force Col. Jon T. Hannah (center left), 422d Air Base Group commander, and U.S. Air Force Maj. Adam Cross (center right), 422d Communications Squadron incoming commander, exits as the official party during an assumption of command ceremony, at RAF Croughton, England, June 30, 2020. An assumption of command is a military tradition that represents a formal assumption of a unit’s authority and responsibility by a commander. (U.S. Air Force photo by Senior Airman Eugene Oliver)