Wired's Danger Room has been collecting "most awesomely bad military patches" for quite some time -- have to say my fave is the "W.W.J.S" at the top.
...Then there are the patches for classified satellite launches, some of which will make you wonder where you left that shiny, shiny hat. H'mm, so...didn't want 'em to be that secret, then? It's the highly-visible security camera trick: since some folks will only play nice if they know somebody's watching, make darned sure the watching is obvious.
2 months ago