Travelers be warned: Installation of new technology on screening lines is resulting in uncharacteristically long waits this week at Des Moines International Airport, where embarking passengers can usually thumb their noses at recommendations they arrive two hours before their flights. The tsa is installing higher-tech scanners for carry-on baggage. The technology will allow for better detection of prohibited items by creating a 3-D image of a bag's interior that can be rotated for better viewing. The dsmairport shared a photo this week of a line of passengers stretching down the escalators from the TSA checkpoint to the ticketing area. Its recommendation? You guessed it: Arrive two hours before departure to avoid missing flights. Tap the link in our bio for more on this story. #DesMoines #Iowa #airport #FlyDSM #DSM #DSMUSA #TSA