Secretary of Homeland Security Kristi Noem will announce Tuesday afternoon that airline passengers no longer have to remove their shoes while going through security checks run by the Transportation Security Administration.

TSA and DHS are expected to formally announce airport passengers will no longer have to remove their shoes while going through security.

The shoes-off/shoes-on dance at TSA checkpoints will end soon. But there's a catch you need to know about. Here's what we know.