Duke, a 48th Security Forces Squadron military working dog, bites Lt. Col. Tara Opielowski, 48th SFS commander, at Royal Air Force Feltwell, England, Oct. 18. Opielowski took part in ‘wrap’ certification training in an effort to understand what many of her Airmen do on a day-to-day basis. (U.S. Air Force photo/Airman 1st Class Abby L. Finkel)