STU-I
From Wikipedia the free encyclopedia
The STU-I, like its successors sometimes known as a "stew phone", was a secure telephone developed by the U.S. National Security Agency for use by senior U.S. government officials in the 1970s.[1]
See also[edit]
References[edit]
- ^ "STU-I Secure Phone". www.cryptomuseum.com. Retrieved 2022-09-17.