May 18, 2011
By Dr. Gary E. Weir, historian, National Geospatial-Intelligence Agency (http://www.nga.mil/), Bethesda, Md. Have you ever heard of the Great Grain Robbery of 1972? What sounds like a train hijacking actually opened the intelligence community’s eyes to the possibilities of a new form of sensory technology that has since become important for defense against military, terrorist,