What did the declassified documents reveal?

From the storyflo podcast, Declassified. This episode features a declassified C-I-A record concerning U.S. Intelligence on China, specifically a brief regarding the "Trends of High-Level Washington Estimates on Chinese Communist Intervention in Korea." This document, attached to a forwarding memorandum dated February twenty-second, nineteen-fifty-one, is notable for its analysis of intelligence failures during the Korean War. The full text is available at archive.org, under The Black Vault's entry: U.S. China Intel C-I-00662. This declassified document, a twelve-page Top Secret memorandum, was released by the C-I-A and processed by The Black Vault. The canonical PDF is available for public access at archive.org, under the aforementioned entry. This document offers a critical internal review of intelligence assessments during a pivotal period of the Korean War. The document opens with a memorandum from the Military Intelligence Section, General Staff, General Headquarters, Far East Command, dated February twenty-third, nineteen-fifty-one, subject: Brief of "Trends of High-Level Washington Estimates on Chinese Communist Intervention in Korea." It is addressed to the Commander-in-Chief. Quote: One. The attached document is a Study based on an analysis of the Washington Intelligence Publications in the period August tenth, nineteen-fifty, to December seventh, nineteen-fifty, which exposes a failure of these high-level reports either to predict Chinese Communist intentions as an all-out aggression or to emphasize any indications of such intentions that could now be considered as having directed attention to the handwriting on the wall. This point is important, since the press campaign to charge F-E-C and E-U-S-A-K with imprudence in the attack of November twenty-fourth has not been stopped by the P-I-O in Washington. Two. During the weeks prior to the Inchon landing repetitive conclusions appeared with monotonous regularity that there were no firm or reliable indications that the Chinese Communists would intervene actively in Korea. Three. Following the Inchon landing there was no perceptible change in the trend. Familiar conclusions continued to deny reliable indications that the U-S-S-R or the Chinese Communists were preparing for active intervention in the Korean conflict. Cognizance was taken of increased capabilities and the more belligerent public statements of Communist leaders, but these were not interpreted as positive indications of a decision for active intervention and it was in fact concluded that there was an increasing probability that a decision against overt action had been made. Four. During November, prior to the Chinese Communist all-out assault but subsequent to their established presence in North Korea, the intelligence reports paid increasing attention to Chinese Communist activities, acknowledged their greatly increased capabilities, waveringly speculated as to the various possible aims behind their crossing of the Yalu, took…

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-007Declassified

Filed OCT 24 · 2026Runtime 1 min

CIA From The Storyflo Podcast, Declassified.

U.S. public record · FOIAUpdated October 24, 2026

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◆ BLUF — The short version

From the storyflo podcast, Declassified. S. " This document, attached to a forwarding memorandum dated February twenty-second, nineteen-fifty-one, is notable for its analysis of intelligence failures during the Korean War. S. China Intel C-I-00662. This declassified document, a twelve-page Top Secret memorandum, was released by the C-I-A and processed by The Black Vault.

Date: OCT 24 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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Episode notes

From the storyflo podcast, Declassified. This episode features a declassified C-I-A record concerning U.S. Intelligence on China, specifically a brief regarding the "Trends of High-Level Washington Estimates on Chinese Communist Intervention in Korea." This document, attached to a forwarding…

View the primary source document

Questions about this case

What was CIA From The Storyflo Podcast, Declassified. about?: From the storyflo podcast, Declassified. S. " This document, attached to a forwarding memorandum dated February twenty-second, nineteen-fifty-one, is notable for its analysis of intelligence failures during the Korean War. S. China Intel C-I-00662. This declassified document, a twelve-page Top Secret memorandum, was released by the C-I-A and processed by 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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CIA From The Storyflo Podcast, Declassified.

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