Homeland Security Secretary Kristi Noem said in a July 8 statement that TSA expects the policy change "will drastically decrease passenger wait times at our TSA checkpoints, leading to a more pleasant and efficient passenger experience.

Since 2006, airline travelers have been expected to abide by the same procedures each time they’ve been screened by the Transportation Security Administration (TSA). This includes removing their shoes and placing them on a conveyor belt before walking through the body scanner.