Howz about we wait until normies can get on TS?
Fuckin' pussies! Silents, boomers and X'ers lived through no bicycle helmets, no video games, no innerwebz, dial telephones, no TV remotes, lead based paint, daily threat of muh nuclear war and on an on.
>https://99percentinvisible.org/article/solve-x-deciphering-calibration-marks-made-classified-spy-missions/
Kewl shit anon. Thanks for posting. I grew up on military bases and recall seeing these.