Troops learn to look inside and out for threats

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U.S. Army Col. James J. Mingus, commander for 4th Brigade Combat Team, 4th Infantry Division, is greeted by Lt. Col. Scott Green, 1st Battalion, 12 Infantry Regiment, 4th BCT, 4th Infantry Division, at Forward Operating Base Bostick, July 16, 2012. Photo by 4th Brigade Combat Team, 4th Infantry Division
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