What did the declassified documents reveal?

From Declassified, this is an Information Book for use by General Collins on an inspection trip, dated September twenty-eighth, nineteen-forty-nine. This document offers a glimpse into early American intelligence concerns regarding China, Japan, and the broader Far East in the immediate aftermath of World War Two. This record is available from The Black Vault, at documents two dot the black vault dot com. This document, cataloged by the C-S-G-P-O and marked Secret, was declassified by the C-I-A, and released by The Black Vault in September two thousand eighteen. The declassification authority for this document was A-A-R-O, the Arctic and Antarctic Research Office. The document opens with a memo from Lieutenant Colonel Preble, dated September twenty-eighth, nineteen-forty-nine, stating: "Reference is made to D slash I from your office, dated Sixteen September nineteen forty nine, subject as above. Attached as Inclosure one is material from Intelligence Division for inclusion in the Information Book for use of General Collins." The contents detail the responsibilities of the Army Security Agency in overseas commands: "It is recognized that oversea commanders have a requirement in the communication intelligence and communication security fields. Since the Army Security Agency has overall responsibility for these fields within the Army, certain Army Security Agency units and headquarters have been allocated to oversea commands to perform the following specific functions: one. Exercise staff supervision over all Army communication intelligence and communication security matters within the command. two. Provide a central issuing office for all cryptographic material used by Army units within the command. three. Provide facilities for the production of communication intelligence as required by the command and when directed by the Department of the Army. All Army Security Agency units, wherever located, are under command of Chief, Army Security Agency; although they are allocated to oversea commands and are subordinate to the commander for operational control and administrative and logistic support. Also located in some oversea commands are Army Security Agency units which operate fixed Department of the Army intercept stations. These units are commanded and operationally controlled by Chief, Army Security Agency, but are based on the oversea commander for administrative and logistic support." Under "Intelligence Division - Miscellaneous Notes and Information," the document includes a section on the Army Attache in China: "The Army Attache in China is located in Nanking, which is Communist controlled. An Assistant Army Attache has established offices in Taiwan which is an important operational base. The moves of the Army Attache to Taiwan is contemplated, leaving Assistant Army Attaches in Nanking, Peiping, and Shanghai. In addition, a U.S. Army Liaison Officer has been attached to the British headquarters in Hong Kong for the purpose of reporting…

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.

Case File · ARCHIVE-006Declassified

Filed NOV 14 · 2026Runtime 1 min

CIA From Declassified, This Is An Information Book For Use By General Collins

U.S. public record · FOIAUpdated November 14, 2026

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◆ BLUF — The short version

From Declassified, this is an Information Book for use by General Collins on an inspection trip, dated September twenty-eighth, nineteen-forty-nine. This document offers a glimpse into early American intelligence concerns regarding China, Japan, and the broader Far East in the immediate aftermath of World War Two.

Date: NOV 14 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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What was CIA From Declassified, This Is An Information Book For Use By General Collins about?: From Declassified, this is an Information Book for use by General Collins on an inspection trip, dated September twenty-eighth, nineteen-forty-nine. This document offers a glimpse into early American intelligence concerns regarding China, Japan, and the broader Far East in the immediate aftermath of World War Two.
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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CIA From Declassified, This Is An Information Book For Use By General Collins

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