240610-F-IM475-2009
U.S. Air Force Col. Ricardo Diaz, center, 422d Air Base Group commander, and his spouse greet Royal Air Force Sq. Ldr. Jayne Robertson, RAF commander for RAF Fairford, after an assumption of command ceremony at RAF Croughton, England, June 10, 2024. Diaz assumed command of the 422d ABG. The ceremony is a military tradition that represents a formal transfer of a unit's authority and responsibility from one commander to another. (U.S. Air Force photo by Staff Sgt. Jennifer Zima)