I think he's implicitly referring to American government codenames... From http://www.designation-systems.net/usmilav/codenames.html#_CodeWords http://www.desi

I think he's implicitly referring to American government codenames... From http://www.designation-systems.net/usmilav/codenames.html#_CodeWords http://www.designation-systems.net/usmilav/codenames.html#_C... "Code Words are printed using all capital letters."