Red Cell Army National Guard, Air National Guard and Army Reserve service members and civilian information technology experts prepare to engage as the opposing force, or "Red Cell" for exercise Cyber Shield 17 at Camp Williams, Utah, April 26, 2017. Cyber Shield 17 is a National Guard exercise designed to assess participants’ ability to respond to cyber incidents. Army photo by Sgt. Michael Giles SHARE: Download: Full Size (0.84 MB) Tags: Air National Guard, 100th Mobile Public Affairs Detachment, 100th MPAD, ARMY NATIONAL GUARD, Cyber Shield 17, CS17, cyber awareness training, Cyber Defense Operations Exercise, Cybershield17, U.S. Army Reserve Credit: Sgt. Michael Giles VIRIN: 170427-Z-WL838-029.JPG Photo Gallery