STU-I

STU-I table unit. The electronics were housed in a separate cabinet.

The STU-I - as its successors sometimes referred to as the stew phone - was an encrypted phone that was developed by the National Security Agency for use by senior US government officials in the 1970s.

STU-I cabinet with table unit on top. The person calling is UN Ambassador Andrew Young .

See also

• KY-3
• Navajo I
• STU-II
• STU-III
• STE
• Secure Communications Interoperability Protocol (SCIP)

Web links

• Delusion.org - National Cryptologic Museum pictures ( Memento of March 12, 2007 in the Internet Archive )