I wore a T-shirt similar to this one on several trips (10? 12?) ...
http://upload.wikimedia.org/wikipedia/commons/9/96/Munitions_T-shirt_%28front%29.jpg
... between the US and several other continents (and back) between late-1991 & mid-1993(ish). Not a single idiot in charge of so-called "security" even blinked.
Security theater, when you examine it, is absolutely hilarious.
