What did the declassified documents reveal?

The record we are hearing today is a Central Intelligence Agency study titled “The Chinese Assessment of the Soviet Military Threat,” prepared in April 1975 and classified as Top Secret. It is notable because it documents how Chinese officials evaluated the possibility of a Soviet attack during a period of intense Sino‑Soviet tension. This document was declassified and released in May 2007 under the authority of the CIA’s Director of Central Intelligence. It was made publicly available through The Black Vault, which hosts the full text of the study. The study opens with an introductory note that explains its purpose. It reads: “This study is of the Soviet military threat to China as seen in Chinese security terms of both Soviet capability and Soviet intentions. The study is concerned with the Chinese view of: the possibility of escalation of the Sino‑Soviet border conflict, the possibility of a Soviet decision to mount a massive conventional attack or a disarming nuclear strike for strategic reasons, and the disposition of an intentionally hostile super‑power. Western observers—outside the intelligence community—have reached very different conclusions about the chances of a Soviet military attack on China, whether growing out of the border conflict or deriving from Soviet assessments of the overall strategic situation. We have thought that the statements and actions of the Chinese themselves, as the most interested parties, might be the most reliable indicator. The Chinese have given, at various times, very different assessments of the prospects of a Soviet attack—from alarmist to complacent—so it has been necessary to evaluate these statements in the context of Chinese actions of the time. We have reviewed all available Chinese statements on this matter, and we have tried to distinguish between statements that seemed to represent genuine assessments, were consonant with Chinese actions, and those that appeared to be made for political purposes. Our analysis centers on the former; the Chinese assessment of the degree of danger of a Soviet attack at well‑marked points in the evolution of the Sino‑Soviet relationship. We attempt to reach sharper conclusions than the well‑known and generally accepted view that the Chinese for the past decade have felt threatened by the Soviet Union.” The document then presents its summary and conclusions: “During the early and mid‑1960s, Chinese leaders were not frightened by Soviet threats. It was not until 1960, following the Chinese ambush of Soviet border guards, that the Chinese came to believe that a major Soviet attack on China might be imminent. The one Chinese fright in August and September 1960 derived partly from localized Soviet military action but mainly from Soviet threats of larger incursions, which led the Chinese to conclude that their policy of assertive territorial claims by aggressive forward patrolling on the border was more dangerous than they had previously estimated. Consequently, 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.

CIA The Chinese Assessment Of The Soviet Military Threat

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The record we are hearing today is a Central Intelligence Agency study titled “The Chinese Assessment of the Soviet Military Threat,” prepared in April 1975 and classified as Top Secret. It is notable because it documents how Chinese officials evaluated the possibility of a Soviet attack during a period of intense Sino‑Soviet tension.

Date: AUG 5 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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What was CIA The Chinese Assessment Of The Soviet Military Threat about?: The record we are hearing today is a Central Intelligence Agency study titled “The Chinese Assessment of the Soviet Military Threat,” prepared in April 1975 and classified as Top Secret. It is notable because it documents how Chinese officials evaluated the possibility of a Soviet attack during a period of intense Sino‑Soviet tension.
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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