American Cryptology during the Cold War, 1945-1989

This book is intended to be a general overview of U.S. government cryptology since the end of World War II. It is projected to be a four-book study carrying the story to the end of the Cold War, symbolized by the fall of the Berlin Wall.

Document Archive

Book I: The Struggle for Centralization 1945-1960

 American Cryptology During the Cold War 1945-1989, Book I [299 Pages, 14.87MB]

Continue scrolling for more...

Book II: Centralization Wins, 1960-1972

 American Cryptology During the Cold War 1945-1989, Book II [371 Pages, 73MB] – This version was after an MDR case filed in November 2021 and released in January 2023.
ARCHIVED VERSION PREVIOUSLY RELEASED – Date Unknown and more redacted than the above:  American Cryptology During the Cold War 1945-1989, Book II [369 Pages, 17.31MB]

Book III: Retrenchment and Reform, 1972-1980

 American Cryptology During the Cold War 1945-1989, Book III [271 Pages, 11.77MB]

Book IV: Cryptologic Rebirth, 1981-1989

 American Cryptology During the Cold War 1945-1989, Book IV [233 Pages, 9.21MB]

 

 


 

Follow The Black Vault on Social Media:

This post was published on November 22, 2023 12:48 pm

John Greenewald

Recent Posts

The DoD Inspector General’s Evaluation of the DoD’s Actions Regarding Unidentified Aerial Phenomena

This article was originally written in August 2024. However, additional document releases related to these…

July 15, 2025

Do Not Respond: Pentagon Staff Instructed to Ignore The Black Vault’s UAP Inquiry

The Department of Defense (DoD) has released 151 pages of internal records related to the…

July 15, 2025

U.S. Government Confirms Multiple Drone Incursions Over Pantex Nuclear Facility; Newly Released Documents Reveal Previously Unreported Security Events

The U.S. Department of Energy (DOE) has released a series of previously undisclosed documents confirming…

July 12, 2025

Air Force Confirms Drone Swarms Over Wright-Patterson AFB Led to Airspace Shutdown; Videos and Reports Released

Newly released Air Force records confirm that Wright-Patterson Air Force Base (WPAFB) in Ohio experienced…

July 11, 2025

Navy Withheld Nearly 500 Pages About UAP Video Release Decision, Records Show FOIA Pressure Drove Disclosure

Newly released documents obtained through the Freedom of Information Act (FOIA) reveal that the U.S.…

July 9, 2025

CIA Mishandles UFO Files Again: Intelligence on Soviet UFO Reports Lost Forever

The CIA’s history of losing or mismanaging UFO-related records continues with yet another example, this…

July 7, 2025