It's a secret - break codes and write code, ;). While the NSA was started in the 50s it was not widely known until the 70s https://www.eff.org/nsa-spying/timeli

It's a secret - break codes and write code, ;). While the NSA was started in the 50s it was not widely known until the 70s https://www.eff.org/nsa-spying/timeline https://www.eff.org/nsa-spying/timeline