Cryptonym: KUJAZZ
National Archives Research Aid: Cryptonyms and Terms in Declassified CIA Files Nazi War Crimes and Japanese Imperial Government Records Disclosure Acts
An official list of cryptonyms, pseudonyms, and related terms states KUJAZZ is the CIA Office of National Estimates. https://www.archives.gov/files/iwg/declassified-records/rg-263-cia-records/second-release-lexicon.pdf
CIA Library Reading Room GENERAL - KUGOWN SUPPORT - SPECIFIC - CURRENT SITUATION OF LABOR IN GUATEMALA
This document refers to a glossary of abbreviations "compiled for KUJAZZ publication, may be useful for ready reference." This glossary was included among related documents seeking to assess the penetration of Guatemalan labor by International Communism and extensively assess labor practices. https://www.cia.gov/library/readingroom/docs/DOC_0000913633.pdf
Kennedy Assassination Chronicles, Volume 6, Issue 3 Current Section: Passages
William Bundy, McGeorge Bundy's older brother, joined the CIA in 1951, where he served at the Office of National Estimates.