Lt. Col. Christopher Harris, 403rd Operations Support Squadron commander at Keesler Air Force Base, Miss., addresses his new squadron during a change of command ceremony June 6, 2021. Prior to serving as commander, Harris was the chief standards and evaluations officer for the 53rd Weather Reconnaissance Squadron where he was in charge of the section that evaluates the performance of all aircrew members in the unit. (U.S. Air Force photo by Staff Sgt. Shelton Sherrill) Share

Lt. Col. Shane Devlin, 403rd Operations Group deputy commander, passes the guidon to incoming 403rd Operations Support Squadron commander to Lt. Col. Christopher Harris at Keesler Air Force Base, Miss., June 6, 2021. As OSS commander, Harris's job is to ensure members are prepared to accomplish the mission and provide premier operational support for executing tactical combat airlift and weather reconnaissance missions. (U.S. Air Force photo by Staff Sgt. Sherrill) Share

Master Sgt. Kimelyn Hall, 403rd Operations Support Squadron first sergeant, poses for a photo Sept. 8, 2019 at Keesler Air Force Base, Mississippi. Hall was selected as the 403rd Wing’s second quarter award winner in the first sergeant category. (Courtesy photo) Share

Tech. Sgt. Tyree Leverette, 403rd Operations Support Squadron aircrew flight equipment air reserve technician, poses for a photo, July 8, 2019 at Keesler Air Force Base, Mississippi. Leverette was selected as the 403rd Wing’s first quarter award winner in the civilian category. (U.S. Air Force photo by Tech. Sgt. Christopher Carranza) Share