ELLSWORTH AIR FORCE BASE, S.D. -- U.S. Air Force Airman 1st Class Cassandra Knudsen, 28th Medical Operations Squadron dental technician, right, smiles at Leo Mascitelli, left, prior to his dental exam at Ellsworth Air Force Base, South Dakota, March 29, 2024. Leo was one of almost 70 children seen at the dental clinic during the 28th MDG Children’s Dental Day. (U.S. Air Force photo by Airman 1st Class Brittany Kenney)