There's an image at the start of the post (I want to say from the Snowden leaks) that's classified TS/SI/NF (top secret, sensitive information, not for release to foreign nationals).
Not a problem for civilians to view actually, but those with government clearance are prohibited from viewing that material unless they are in the allowed categories.
Not a problem for civilians to view actually, but those with government clearance are prohibited from viewing that material unless they are in the allowed categories.