Col. Stuart M. Rubio, 403rd Wing commander, and Lt. Col. Lauren DeFrates, 403rd Aeromedical Staging Squadron deputy commander, cut the ceremonial ribbon marking the opening of the new ASTS building at Keesler Air Force Base, Miss., Aug. 6, 2021. The mission of the ASTS in-garrison is to ensure medical readiness for all 403rd Wing personnel. (U.S. Air Force by Staff Sgt. Kristen Pittman)