"On This Date in Cryptologic History" Calendar
1973: Ribbon-cutting for National SIGINT Operations Center (NSOC)
![](https://cdn.firespring.com/images/b9e00e78-89dc-4a08-8a08-708308f14907.jpg)
16 February 1973: Ribbon-cutting ceremony for the National SIGINT Operations Center (NSOC).
"On This Date in Cryptologic History" Calendar
16 February 1973: Ribbon-cutting ceremony for the National SIGINT Operations Center (NSOC).