What did the declassified documents reveal?

Declassified. Today, we present an intelligence summary from the Department of the Army, Office of the Assistant Chief of Staff, dated July fourteenth, nineteen-fifty. This declassified record discusses the redeployment of China's Fourth Field Army and its potential implications for the Korean War, drawing from vault.fbi.gov. This document, labeled "Secret," was released through the Freedom of Information Act and is publicly available via The Black Vault. The declassification authority and specific FOIA case number are not cited in the publicly available records, but the document was released on October twenty-ninth, two thousand and eight. The document begins: Weekly. Report July fourteenth, nineteen-fifty. Department of the Army, Office, Assistant Chief of Staff, G-2, Washington D.C. Secret. Military Far East, China. Major Redeployment of Communist Fourth Field Army – Destination. Secret. Various reports were received during the last week of the major redeployment of Chinese Communist General Lin Piao’s Fourth Field Army from Hainan and the Luichow Peninsula to the Canton area, and thence north to an unknown destination. Speculation was rampant that these troops have been ordered to Manchuria for ultimate commitment in Korea. According to various unsubstantiated reports, the Fourth Field Army will: a) Aid in the “liberation” of Tibet and Taiwan; b) go to Yunnan for action against Burma; c) strengthen units on the border of Indo-China in preparation for an invasion of that country; and d) deploy in the Hong Kong area to prepare against an allied invasion of the Chinese mainland. The range of the speculation as to the destination of Lin Piao’s troops is indicative of the uncertainty regarding the next move of the Chinese Communists and the importance placed upon the intentions of the Fourth Field Army. The concern as to the destination of the Fourth Field Army is well founded as it is believed that this unit’s movements will provide the key to Communist intentions. The two main striking forces available to the Chinese Communists in Central and South China are: a) The Fourth Field Army and b) Chen Yi’s Third Field Army. The latter is now deployed for some time in the Shanghai-Nanking area and southward down the Chekiang coast in preparation for the invasion of Taiwan. Previously, it was estimated that a major movement of the Fourth Field Army from its previous positions on the Luichow Peninsula northward and toward the east coast would be an indication that the invasion of Taiwan was close at hand. By the same token, it is believed that a movement by this unit to any destination, other than the Fukien-Chekiang coast opposite Taiwan, will be an indication of different Communist intentions. Despite contrary speculation, there is no firm evidence upon which to base a change in the original estimate regarding Communist plans to invade Taiwan. It is true that the presence of elements of the United States Seventh Fleet in the Taiwan Straits, with the…

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-011Declassified

Filed NOV 9 · 2026Runtime 1 min

FBI Today, We Present An Intelligence Summary From The Department Of The Army

U.S. public record · FOIAUpdated November 9, 2026

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◆ BLUF — The short version

Declassified. Today, we present an intelligence summary from the Department of the Army, Office of the Assistant Chief of Staff, dated July fourteenth, nineteen-fifty. gov. This document, labeled "Secret," was released through the Freedom of Information Act and is publicly available via The Black Vault.

Date: NOV 9 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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Declassified. Today, we present an intelligence summary from the Department of the Army, Office of the Assistant Chief of Staff, dated July fourteenth, nineteen-fifty. This declassified record discusses the redeployment of China's Fourth Field Army and its potential implications for the Korean War…

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What was FBI Today, We Present An Intelligence Summary From The Department Of The Army about?: Declassified. Today, we present an intelligence summary from the Department of the Army, Office of the Assistant Chief of Staff, dated July fourteenth, nineteen-fifty. gov. This document, labeled "Secret," was released through the Freedom of Information Act and is publicly available via The Black Vault.
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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