U.S. Air Force Staff Sgt. Alexandra Springman, 355th Security Forces Squadron military working dog handler, pets Dexter, 5 years old, 355th SFS military working dog, during his retirement ceremony at Davis-Monthan Air Force Base, Ariz., Feb. 19, 2014. During his military service, Dexter has deployed to Iraq and Saudi Arabia where he served as a dual purpose dog. (U.S. Air Force photo by Airman 1st Class Chris Drzazgowski/Released)