The expedited screening initiative PreCheck expands to seven additional airports Wednesday . `` Good , thoughtful , sensible security by its very nature facilitates lawful travel and legitimate commerce , '' said Homeland Security Secretary Janet Napolitano . Boarding passes of approved passengers will include information in a barcode . Officials : Existing American Airlines lines at 28 airports have handled 28 passengers .
The expedited screening initiative PreCheck expands to seven additional airports Wednesday . Boarding passes of approved passengers will include information in a barcode . Officials : Existing American Airlines lines at 28 airports have handled 28 passengers .