NSA security reminder posters from the '50s and '60s

[OlongJohnson]

This is worth the time to download. Pretty awesome period pieces.

http://www.governmentattic.org/28docs/NSAsecurityPosters_1950s-60s.pdf

[Drang]

Digging page 15...

Page 31 is kinda... subtle...
...and not at ALL what one would expect of an agency which didn't even exist, officially, at the time.

[revchuck38]

Dang, I actually remember the third one down.

[Tabasco]

There's a Netflix miniseries, "The Same Sky" which deals with an attempted Stasi NSA infiltration in the early 70's. Fiction, but it's able to juxtapose life in the East and West (Berlin) brilliantly.