Tech. Sgt. Stenneth Smith, 341st Healthcare Operations Squadron flight chief, and Staff Sgt. Owen Wijaya, 341st HCOS NCO in charge, simulate a patient receiving a vaccine Aug. 2, 2019, at Malmstrom Air Force Base, Mont. As an adult, vaccinations are just as important as they boost the immunity of those with immune disorders or health complications. (U.S. Air Force photo by Airman 1st Class Tristan Truesdell)