K-9s and canines
U.S. Air Force Maj. David Dennison, 51st Dental Squadron general dentist, teaches a group of veterinary technicians to sharpen dental tools at Osan Air Base, Republic of Korea, March 22, 2017. The Osan Veterinary Clinic technicians stay up to date with training in order to perform dental surgery, spaying, neutering and vaccinating. (U.S. Air Force photo by Airman 1st Class Gwendalyn Smith)