What did the declassified documents reveal?

Declassified presents a declassified Central Intelligence Agency intelligence report from February eighth, nineteen sixty-five, detailing U-Two reconnaissance mission C Zero one five C over China. This document is notable for its heavy redactions, reflecting the high secrecy surrounding U-Two operations. You can find this record at documents two dot the black vault dot com. This document was declassified and released on August twenty-eighth, two thousand, under the declassification authority of the C-I-A, and is designated as C-I-A R-D-P six six B zero zero five nine seven R zero zero one one zero zero zero two dash one. It offers a glimpse into intelligence gathering during the Cold War. This preliminary report, labeled "Top Secret Dinar slash Idealist," details U-Two reconnaissance mission C Zero one five C, flown on January eighth, nineteen sixty-five. The warning states: "This document contains information affecting the national security of the United States within the meaning of the espionage laws U dot S dot Code Title eighteen, Sections seven ninety-three, seven ninety-four, and seven ninety-eight. The law prohibits its transmission or the revelation of its contents in any manner to an unauthorized person, as well as its use in any manner prejudicial to the safety or interest of the United States or for the benefit of any foreign government to the detriment of the United States." The preface notes: "This preliminary technical evaluation of a U-Two reconnaissance mission flown over parts of east, central, and west China on eight January nineteen sixty-five was developed for the three zero three Committee by the following elements of the Directorate of Science and Technology: Office of Scientific Intelligence, Office of Special Activities slash Office of Elint. The evaluations are based on information and data provided by: National Photographic Interpretation Center, D-D slash I, Joint Sobe Sigint Processing Center, Okinawa, P-A-C-O-M Elint Center, Fuchu, Japan. Graphics support has been provided by the Office of Research and Reports of the Directorate of Intelligence." The summary states: "Reconnaissance mission C Zero one five C was flown by a U-Two aircraft [two lines redacted] against the gaseous diffusion plant at Lan Chou on the night of eight January nineteen sixty-five. The aircraft was over parts of east, central, and west China for five hours and fifty-five minutes. Although the U-Two was continuously tracked while over the mainland, no air defense weapons reactions to the aircraft were noted in Comint." The background section adds: "Mission C Zero one five C, planned against the atomic energy facility at Lan Chou, was flown on the night of eight January nineteen sixty-five. C-O-M-O-R confirmed Lan Chou as a requirement for coverage [redacted]. The three zero three Committee approved the use of the I-R-M on twelve November (three zero three Committee notes of thirteen November nineteen sixty-four), and approved the January…

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.

Declassified Presents A Declassified Central Intelligence Agency Intelligence

◆ BLUF — The short version

Declassified presents a declassified Central Intelligence Agency intelligence report from February eighth, nineteen sixty-five, detailing U-Two reconnaissance mission C Zero one five C over China. This document is notable for its heavy redactions, reflecting the high secrecy surrounding U-Two operations.

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

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What was Declassified Presents A Declassified Central Intelligence Agency Intelligence about?: Declassified presents a declassified Central Intelligence Agency intelligence report from February eighth, nineteen sixty-five, detailing U-Two reconnaissance mission C Zero one five C over China. This document is notable for its heavy redactions, reflecting the high secrecy surrounding U-Two operations.
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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