Show your ID, take off your shoes, hand over the carry-on and maybe, just maybe, get a pat-down! TSA checkpoints are a hassle travelers have come to accept, but new layers of security could further test your patience. Recent attacks on international airports in Brussels and Istanbul have some government agencies looking at expanded security perimeters.

In both cases, terrorists in Brussels and Istanbul were able to bring bombs into airports, but not past checkpoints. Moving those checkpoints to the curb or inspecting cars as they first enter the airport could keep terrorists from ever making it inside. READ MORE