What did the declassified documents reveal?

This is Declassified. Today, a declassified C.I.A. record regarding the current situation in Korea, from November twenty-first, nineteen-fifty. This memorandum from the Director of Intelligence for the Department of the Air Force to the Chief of Staff, Vice Chief of Staff, and Deputy Chief of Staff for Operations, offers an early assessment of Chinese Communist and Soviet intentions in the Korean War. This document was obtained from vault.fbi.gov. This document was released under the Freedom of Information Act and declassified by the National Security Agency. It became publicly available on The Black Vault website on May twenty-second, two-thousand-and-one. The document reads: Memorandum For: Chief of Staff, Vice Chief of Staff, Deputy Chief of Staff, Operations, Director of Plans. The pattern of Chinese Communist actions in the Korean situation has fairly clearly included considerable "playing-by-ear." Their slowness in reacting has been due to a combination of inertia stemming from their own command, staff and logistic weakness, of surprise at the speed and scope of U. N. action, and of reluctance to become involved any more than absolutely necessary. Their pattern has been one of "too little, too late." If numbers of forces under arms mean anything, they should have had the capability to intervene in much greater strength, much earlier, and to much greater advantage. Regardless of the desires of the Soviets as to Chinese intervention in the early stages, and the degree of control exercised by them, logically the Soviets are now pushing the Chinese Communists to intervene to the hilt. The Chinese command and staff weakness requires that they get full measure of bluff or intimidation out of every action they take, in the hope that they might avoid being forced to take the dangerous and expensive next step. In the case of the Soviet Union, they have been much more scrupulous than the Chinese Communists in avoiding open participation. They have withdrawn their numerous advisors so as to eliminate risk of capture, they now have [four lines redacted under exemption B1] participation in Korea. The recent appearance of MIG-fifteen jets which trailed, but did not attack, a formation of B-twenty-nines in Northeast Korea, would indicate more than a mere defensive maneuver on the Soviet part. It indicates they too could be resorting to intimidation. There have been reports that the Soviet Air Force will attack U.S. formations which bomb Manchuria. The circumstances under which this information was obtained indicates a probability that it is either a mere statement of fact or a deliberate attempt to influence somebody by the threat. Then, even if dog fights do occur over Manchuria, between U.S. Air Force elements and Soviet Air elements, the Soviet Union has good reason to believe that such local fighting would not develop into general war. The considered view of all the U.S. intelligence agencies is that the Soviet Union does not want to become involved…

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 OCT 29 · 2026Runtime 1 min

NSA Today, A Declassified CIA

U.S. public record · FOIAUpdated October 29, 2026

intelligence-vault

◆ BLUF — The short version

This is Declassified. A. record regarding the current situation in Korea, from November twenty-first, nineteen-fifty. This memorandum from the Director of Intelligence for the Department of the Air Force to the Chief of Staff, Vice Chief of Staff, and Deputy Chief of Staff for Operations, offers an early assessment of Chinese Communist and Soviet intentions in the Korean War.

Date: OCT 29 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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This is Declassified. Today, a declassified C.I.A. record regarding the current situation in Korea, from November twenty-first, nineteen-fifty. This memorandum from the Director of Intelligence for the Department of the Air Force to the Chief of Staff, Vice Chief of Staff, and Deputy Chief of Staff…

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What was NSA Today, A Declassified CIA about?: This is Declassified. A. record regarding the current situation in Korea, from November twenty-first, nineteen-fifty. This memorandum from the Director of Intelligence for the Department of the Air Force to the Chief of Staff, Vice Chief of Staff, and Deputy Chief of Staff for Operations, offers an early assessment of Chinese Communist and Soviet intentions in the Korean War.
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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