CQ Homeland Security: TSA Looking for ‘Missing Piece’ in Pallet Screening

For the freight industry, the humble shipping pallet is a wonder of efficiency. The wood, plastic or steel loading trays — capable in some cases of supporting nearly two — allow companies to figure out exactly how much cargo they can fit into freight holds. But for federal security officers they’re a headache — often stacked high with boxes so dense and containing so many different materials that no scanning device can adequately screen them.