Shortly after the Transportation Security Administration (TSA) took over responsibility for screening all passengers and their carry-on baggage at 450+ US commercial service airports, an aviation industry expert commented that the problem is not a security problem but an industrial engineering problem. That observation was true then and remains true today. The challenges of thoroughly screening the hundreds of thousands of US passengers and their carry-on baggage at a rate that facilitates commerce is immense, making process-thinking essential.
