What did the declassified documents reveal?

Declassified. Today we examine a declassified National Archives record: the Note by the Secretaries to the Joint Chiefs of Staff on Capabilities of Chinese Communist Forces, Including North Korean Communists Now in Manchuria, to Intervene in the Korean Situation. This document, dated July eleventh, nineteen-fifty, offers an early assessment of Chinese military strength during a critical period of the Korean War. You can find this document at archive.org, as entry CI double-zero three seven eight. This record was reproduced at the National Archives. It was declassified under the authority of NARA, the National Archives and Records Administration, and carries the designation Top Secret. Its release provides insight into intelligence assessments from the immediate aftermath of the Korean War's outbreak. The document begins with a note from the Joint Secretariat: "The enclosed estimate, presented orally by the Joint Intelligence Committee to the Joint Chiefs of Staff on July sixth, nineteen-fifty, is circulated for information." The estimate itself is titled: "Capabilities of Chinese Communist Forces, Including North Korean Communists Now in Manchuria, to Intervene in the Korean Situation." Under the section "Army," it states: "Communist Forces Available. Available for immediate deployment to Korea are troops from two areas, Manchuria and North China. In Manchuria, there are approximately four hundred thousand Military District troops, including seventy thousand Korean troops. There are also one hundred sixty-five thousand ex-Nationalist troops of unknown loyalty, training, and reliability which are considered to have been integrated with Military District troops, making a total of five hundred sixty-five thousand in Manchuria. Military District troops are of unknown efficiency and training, having merely garrison and local security assignments although they served with the Chinese Communist Field Forces during the fighting in Manchuria. It is estimated that they are armed with individual weapons and a few crew-served light weapons. There are no reliable reports of any attempt at an overall tactical grouping and training of these forces." It continues: "In North China, in the Peiping-Tientsin area, there is a concentration of two hundred ten thousand field force troops. This concentration contains seven armies consisting of twenty-five infantry divisions, with a total strength of one hundred forty thousand. Also in this concentration are miscellaneous units consisting of two cavalry divisions with a strength of twelve thousand; two infantry divisions with a strength of sixteen thousand; one motorized artillery division with a strength of nine thousand; one artillery brigade with a strength of one thousand two hundred; one tank division with a strength of three thousand. The number and type of tanks is unknown, but probably are Japanese and ex-Nationalist armored cars." "It is estimated that only a part of the available troops from Manchuria and…

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-008Declassified

Filed NOV 9 · 2026Runtime 1 min

National Archives Record: The Note By The Secretaries To The Joint Chiefs

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

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Declassified. Today we examine a declassified National Archives record: the Note by the Secretaries to the Joint Chiefs of Staff on Capabilities of Chinese Communist Forces, Including North Korean Communists Now in Manchuria, to Intervene in the Korean Situation.

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

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What was National Archives Record: The Note By The Secretaries To The Joint Chiefs about?: Declassified. Today we examine a declassified National Archives record: the Note by the Secretaries to the Joint Chiefs of Staff on Capabilities of Chinese Communist Forces, Including North Korean Communists Now in Manchuria, to Intervene in the Korean Situation.
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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National Archives Record: The Note By The Secretaries To The Joint Chiefs

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