Reserve Citizen Airmen receive annual flu shot Published Nov. 6, 2017 By Master Sgt. Theanne Herrmann JOINT BASE PEARL HARBOR-HICKAM, Hawaii -- U.S. Air Force Maj. Katie Mobley, an assistant officer in charge of immunizations for the Air Force Reserve's 624th Aeromedical Staging Squadron, administers the flu shot to Lt. Col. Melvin L. Ibaretta at Joint Base Pearl Harbor-Hickam, Hawaii, Oct. 28, 2017. The 624th ASTS provides medical support for the entire 624th RSG, ensuring oversight of individual health and medical readiness while providing personnel and equipment necessary for patient movement worldwide. (U.S. Air Force photo by Master Sgt. Theanne Herrmann)