K-9 handlers: Pursuing the enemy
Tech. Sgt. Scott Heise, 11th Security Support Squadron military working dog handler, trains "Dixie" on controlled aggression techniques at Joint Base Andrews, Md., July 29, 2015. Military working dogs can have careers ranging from 9 to 12 years. (U.S. Air Force photo by Staff Sgt. Chad C. Strohmeyer)(Released)

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Tags: 11th Wing
Photo by: Staff Sgt. Chad C. StrohmeyerReleased |  VIRIN: 150729-F-IF940-133.JPG