SOUTHWEST ASIA -- Lieutenant Colonel Mark Henderson, 386th Expeditionary Medical Group dentist, drills a hole in the tooth of Kitti, Air Force military working dog, to perform a root canal with the assistance of Army Capt. Elizabeth Williams, 218th Medical Detachment veterinarian, at an air base in Southwest Asia, Jan. 15. The 386th EMDG and the 218th had to combine their resources and experience to make the operation a success. (U.S. Air Force photo/Senior Airman Courtney Richardson)