What did the declassified documents reveal?

COLD OPEN This episode presents a declassified United States Navy record titled CINCPAC Command History for the year nineteen seventy, issued by the Commander in Chief Pacific. The document was promulgated on June eighteenth, nineteen seventy‑one and is notable for its detailed account of Pacific command operations, including the top‑secret “IVY GREEN” collection missions and related security directives. PROVENANCE The record was released to the public through a Freedom of Information Act request filed with the National Security Agency. The Black Vault hosts the full transcription, made available on August twenty‑second, two thousand twenty‑three. The declassification authority cited the document as no longer required for intelligence purposes, and the material is now fully unclassified for public consumption. THE DOCUMENT Commander in Chief Pacific, San Francisco, issued the following memorandum on June eighteenth, nineteen seventy‑one: “CINCPAC Command History 1970 is promulgated in response to the direction of the Joint Chiefs of Staff. This document contains information affecting the security of the United States within the meaning of the Espionage Laws, Title eighteen, United States Code, Sections seven ninety‑three and seven ninety‑four. Transmission or revelation of its contents in any manner to an unauthorized person is prohibited by law. The material contained within this document is to be treated with the utmost discretion. Under no circumstances shall possession thereof be transferred, or the information contained therein be imparted, to personnel other than those whose duties specifically require knowledge thereof. Information provided to any individual will be the minimum required in the performance of his duties.” The memorandum continues: “The security classification indicated for each page of this document is according to the highest classification of any paragraph thereon. In those instances when the reverse side of a page is intentionally left blank this is so indicated on the lower right‑hand corner of the preceding page by the notation ‘Reverse Blank p.’ followed by the page number of the blank page. As a result, the pages of this history will be numbered consecutively with the odd numbers always appearing on the front of a page and the even numbers on the reverse side.” Regarding handling, the record states: “This document will be transported, stowed, safeguarded and accounted for in accordance with the instructions contained in the effective edition of the security regulations for handling classified matter of the military service of the holder.” The narrative then describes operational activities. A top‑secret operation was scheduled because of United States neglect of the area in recent years and the resulting lack of knowledge of environmental conditions affecting surface‑ship sonars and Soviet reactions to United States surface forces. The memorandum notes: “Certain rigid modifications were imposed by CINCPAC just…

Why was this case declassified?

This material entered the public record through the U.S. declassification and Freedom of Information Act (FOIA) process. The originating source document is linked on this page so the citation chain is auditable.

NSA Cincpac Command History For The Year Nineteen Seventy

◆ BLUF — The short version

COLD OPEN This episode presents a declassified United States Navy record titled CINCPAC Command History for the year nineteen seventy, issued by the Commander in Chief Pacific. The document was promulgated on June eighteenth, nineteen seventy‑one and is notable for its detailed account of Pacific command operations, including the top‑secret “IVY GREEN” collection missions and related security directives.

Date: AUG 6 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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What was NSA Cincpac Command History For The Year Nineteen Seventy about?: COLD OPEN This episode presents a declassified United States Navy record titled CINCPAC Command History for the year nineteen seventy, issued by the Commander in Chief Pacific. The document was promulgated on June eighteenth, nineteen seventy‑one and is notable for its detailed account of Pacific command operations, including the top‑secret “IVY GREEN” collection missions and related security directives.
Why was this case declassified?: This material entered the public record through the U.S. declassification and Freedom of Information Act (FOIA) process. Storyflo narrates it directly from the public release.

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NSA Cincpac Command History For The Year Nineteen Seventy

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