Originally Posted by
HeHateY
50 US states, 10 Canadian provinces and 3 territories, 160-plus countries and other entities (e.g. the UN) issuing passports, Military ID, Merchant Marine cards, LOC reader cards, and so on.
All in the name of airline revenue control, Comrade!!
It has nothing to do with revenue control and everything to do with only allowing people with a legit purpose to enter the security area.