The way we travel through airports has changed dramatically since the September 11, 2001, terrorist attacks. In the years since 9/11, airports across the country have introduced stricter security measures, expanded passenger screening and placed new restrictions on what travelers can bring through security and onto a plane.
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Some rules, like removing certain items from your carry-on or limiting liquids to small containers, have become such a normal part of flying that many travelers may not remember a time when they didn’t exist. From changes in airport security protocal to items that are now prohibited in your carry-on bag, here are some of the biggest changes travelers have experienced since 9/11.
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