Campers learn about miitary life
Tech. Sgt. Michael Pennington of the 445th Security Forces Squadron, Wright-Patterson Air Force Base, Ohio, explains how night-vision goggles work July 21, 2009.Sergeant Pennington and other reservists demonstrated their skills to military children participating in Operation Purple Camp July 13-14 and July 20-21. (U. S. Air Force photo/Staff Sgt. Amanda Duncan)

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