Airmen from the 924th Maintenance Squadron stand at attention July 9 during a change of command ceremony held on Davis-Monthan Air Force Base, Ariz. Lt. Col. Collin Shelton relinquished command to Maj. Bobby Cheek who took over as the new 924 MXS commander. Shelton’s new position and duty title will be the 924th Fighter Group deputy commander. Cheek has been with the 924th since May 2015 as the operations officer. Over 120 Airmen, family members, and guests attended the ceremony. (U.S. Air Force photo by Tech. Sgt. Louis Vega Jr.)