PreCheck is basically just pre-9/11 security with a metal detector and not having to do all the nonsense like removing electronics from bags and taking your sho

PreCheck is basically just pre-9/11 security with a metal detector and not having to do all the nonsense like removing electronics from bags and taking your shoes off. It sounds like the goal here is to replicate that in an automatic way (though I'll bet there's actually a remote office somewhere doing all the bag screening).