What did the declassified documents reveal?

A 1969 Intelligence Note from the Department of State, detailing Communist China's preparations for war. Released through The Black Vault, this document is a significant addition to our understanding of China's military posture during the late 1960s. The document, classified SECRET/NO FOREIGN DISSEM, was declassified and made available through a Freedom of Information Act request. The original release date is not specified, but the document is now publicly accessible through The Black Vault's online archive. To: The Acting Secretary, Through: S/S, From: INR - Ray S. Cline, Subject: Communist China: War Preparations Intensify. Intensified trenching, tunneling, and air raid exercises during November serve to demonstrate to the Chinese people and the Soviets, Peking's concern over the danger of war. Unlike population dispersal, industrial relocation, stockpiling, and other war preparations which also continue at a faster pace, the digging and drilling cannot be linked to long-term economic policy goals. They occur against the background of a turn for the worse in the Sino-Soviet negotiations, the news of the creation of a new Soviet military district in Central Asia, and renewed subversive Soviet Broadcasts to Sinkiang. The digging and drilling are of greater psychological than military value to Peking. They are meant to bring the danger of war and the need for discipline and unity home to the ordinary citizen in a tangible and physical way. Like the other measures, they are designed to show the Soviets that the Chinese mean business at the negotiating table and are prepared to accept the worst. Judging from the pessimistic private statements and letters from the mainland, domestic concern has been raised significantly, helping Peking to implement other facets of the campaign. However, too much of this kind of concern can be dangerous. For this reason, and also because over-enthusiastic diggers in some cities have so outpaced the local capacity to remove the earth from tunnel sites or to finish them with cement, mainland authorities have moved to slow the tunnelling and trenching. Population dispersal, stockpiling, and industrial relocation continue unabated. This is what the public record looks like at its most ordinary. For more information, visit storyflo.com. The document is available online at https://archive.org/download/us-china-intel-CI01943/CI01943djvu.txt.

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.

A 1969 Intelligence Note From The Department Of State, Detailing Communist

◆ BLUF — The short version

A 1969 Intelligence Note from the Department of State, detailing Communist China's preparations for war. Released through The Black Vault, this document is a significant addition to our understanding of China's military posture during the late 1960s. The document, classified SECRET/NO FOREIGN DISSEM, was declassified and made available through a Freedom of Information Act request.

Date: AUG 7 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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What was A 1969 Intelligence Note From The Department Of State, Detailing Communist about?: A 1969 Intelligence Note from the Department of State, detailing Communist China's preparations for war. Released through The Black Vault, this document is a significant addition to our understanding of China's military posture during the late 1960s. The document, classified SECRET/NO FOREIGN DISSEM, was declassified and made available through a Freedom of Information Act request.
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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A 1969 Intelligence Note From The Department Of State, Detailing Communist

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