Shelby Key (left), Doctor of Veterinary Medicine at the US Army Veterinary Clinic, 48th Services Squadron (SVS), Royal Air Force (RAF) Feltwell, United Kingdom, inserts a microchip under the skin of Boss, an American Staffordshire Terrier owned by AIRMAN First Class (A1C) David Harris (right), 48th Civil Engineer Squadron (CES), RAF Lakenheath. If Boss is lost, the chip act as a tracking device to aid in locating the dog and return it to its owner