What did the declassified documents reveal?

This Declassified briefing presents a Central Intelligence Agency information report, dated September twenty-fifth, nineteen-sixty-two, detailing a proposed joint intelligence operation between South Vietnam and Nationalist China in Laos. This document is part of the declassified records available from The Black Vault, at documents2.theblackvault.com. This document, labeled "Proposed Joint Chinese Nationalist-South Vietnamese Intelligence Operations in Laos," was declassified under Executive Order twelve-thousand-three-hundred-fifty-six. It was approved for release by the C-I-A on August first, two-thousand-and-three. The document, an information report with the reference number F-V-S seven-nine-seven-seven, is classified Confidential and was distributed on September twenty-fifth, nineteen-sixty-two. It states: "In mid-September nineteen-sixty-two, Tran Kim Tuyen, Chief, Presidential Security Service, proposed to Huang Tien-Mai, Chief of the Chinese Nationalist National Security Bureau Intelligence Station in Saigon, that South Vietnam and Nationalist China conduct joint intelligence operations in Laos. Tuyen claimed that the deteriorating situation in Laos, and the strong possibility that the Government of Vietnam would break relations with Laos, necessitated immediate consideration of such a proposal. Tuyen told Huang that he envisioned the establishment of intelligence stations on the border between Laos and South Vietnam, as well as in Laos, to support joint Vietnamese / Nationalist Chinese agent operations. Huang concurred in principle, but advised Tuyen that he had to obtain the approval of the Chinese Nationalist Government before entering into detailed negotiations. On September nineteenth, Huang telegraphed his headquarters in Taipei, outlining Tuyen's proposal, and requesting early approval." The Black Vault notes that this document indicates a willingness by both South Vietnam and Nationalist China to conduct covert operations in a neutral country, reflecting the complex geopolitical landscape of Southeast Asia during the Cold War. This is what the public record looks like at its most ordinary. Find this document and more at storyflo.com, and by searching for F-V-S seven-nine-seven-seven at archive.org.

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.

This Declassified Briefing Presents A Central Intelligence Agency Information

◆ BLUF — The short version

This Declassified briefing presents a Central Intelligence Agency information report, dated September twenty-fifth, nineteen-sixty-two, detailing a proposed joint intelligence operation between South Vietnam and Nationalist China in Laos. com. This document, labeled "Proposed Joint Chinese Nationalist-South Vietnamese Intelligence Operations in Laos," was declassified under Executive Order twelve-thousand-three-hundred-fifty-six.

Date: SEP 11 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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What was This Declassified Briefing Presents A Central Intelligence Agency Information about?: This Declassified briefing presents a Central Intelligence Agency information report, dated September twenty-fifth, nineteen-sixty-two, detailing a proposed joint intelligence operation between South Vietnam and Nationalist China in Laos. com. This document, labeled "Proposed Joint Chinese Nationalist-South Vietnamese Intelligence Operations in Laos," was declassified under Executive Order twelve-thousand-three-hundred-fifty-six.
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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This Declassified Briefing Presents A Central Intelligence Agency Information

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