What did the declassified documents reveal?

COLD OPEN This is a declassified United States Central Intelligence Agency record titled CINCPAC Command History, 1966, Volume One. The document was issued on June third, nineteen sixty‑seven and is notable because it details Top Secret intelligence‑collection operations conducted by the Commander in Chief, Pacific, including incidents involving Soviet and Chinese vessels in the western Pacific. PROVENANCE The record was released to the public through The Black Vault, which hosts the CIA’s electronic reading room. The declassification was authorized by the Central Intelligence Agency, and the material is now available in a sanitized form for unrestricted public access. THE DOCUMENT From: Commander in Chief, Pacific To: Distribution List Subject: CINCPAC Command History 1966 (Volume One) The CINCPAC Command History 1966 (Volume One) is promulgated in response to the direction of the Joint Chiefs of Staff, reference SM 408‑59, seventeen April, nineteen fifty‑nine. 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 hundred ninety‑three and seven hundred ninety‑four. Transmission or revelation of its contents to an unauthorized person is prohibited by law. The material 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 security classification indicated for each page of this document is according to the highest classification of any paragraph thereon. This document will be transported, stowed, safeguarded and accounted for in accordance with the instruction contained in the effective edition of the security regulations for handling classified matter of the military service of the holder. Reproduction of Top Secret portions of the CINCPAC Command History 1966 (Volume One) is prohibited except with the permission of the Commander in Chief, Pacific or higher authority. The letter of promulgation is unclassified. Operations of U.S. forces intelligence collection: CINCPAC elements participated in various intelligence‑collection efforts throughout Pacific Command. In some programs CINCPAC contributed assets to work jointly with forces of other commanders, such as CINCSAC, but in most cases CINCPAC sponsored and directed the entire program. CLICKBEETLE was the name assigned to a CINCPAC‑directed operation off the coasts of the Union of Soviet Socialist Republics and the Democratic People’s Republic of Korea. Begun in nineteen sixty‑five, it continued throughout nineteen sixty‑six with six patrol operations by USS BANNER, AKL‑twenty‑five. These technical research operations often provided valuable information, particularly on enemy anti‑submarine…

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.

CIA Cincpac Command History

◆ BLUF — The short version

COLD OPEN This is a declassified United States Central Intelligence Agency record titled CINCPAC Command History, 1966, Volume One. The document was issued on June third, nineteen sixty‑seven and is notable because it details Top Secret intelligence‑collection operations conducted by the Commander in Chief, Pacific, including incidents involving Soviet and Chinese vessels in the western Pacific.

Date: AUG 15 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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What was CIA Cincpac Command History about?: COLD OPEN This is a declassified United States Central Intelligence Agency record titled CINCPAC Command History, 1966, Volume One. The document was issued on June third, nineteen sixty‑seven and is notable because it details Top Secret intelligence‑collection operations conducted by the Commander in Chief, Pacific, including incidents involving Soviet and Chinese vessels in the western Pacific.
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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