SOUTH CHINA SEA (April 6, 2021) – U.S. Navy Lt. John Miller, from Seal Beach, Calif., performs a root canal on… https://www.rawpixel.com/image/3393825/free-photo-image-doctor-root-canal-aircraft-carrierFree Image from public domain license22-0008-134 Military working dogLT George Bennitt performed a root canal on a military dog at the NBVC Veterinary Treatment… https://www.rawpixel.com/image/9648067/photo-image-dog-face-personFree Image from public domain license