What did the declassified documents reveal?

Document: Lessons Learned, HQ 52d Combat Aviation Battalion (Vietnam, 1969) Agency: Department of the Army Date: 22 September 1969 Notable: A 54-page unit lessons-learned report from the 52d Combat Aviation Battalion, dated 22 September 1969. The document was released on 22 September 1969, and is available on The Black Vault's website. The canonical PDF can be found at https://documents.theblackvault.com/documents/afhistory/504920.pdf. THIS REPORT HAS BEEN DELIMITED AND CLEARED FOR PUBLIC RELEASE UNDER DOD DIRECTIVE 5200.20 AND NO RESTRICTIONS ARE IMPOSED ON ITS USE AND DISCLOSURE. DISTRIBUTION STATEMENT A APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED. The classified or limited status of this report applies to each page, unless otherwise marked. Separate page printouts MUST be marked accordingly. THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE LAWS, TITLE 18, U.S.C., SECTIONS 793 AND 794. THE TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON IS PROHIBITED BY LAW. Notice: When government or other drawings, specifications or other data are used for any purpose other than in connection with a definitely related government procurement operation, the U.S. Government thereby incurs no responsibility, nor any obligation whatsoever; and the fact that the Government may have formulated, furnished, or in any way supplied the said drawings, specifications, or other data is not to be regarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufacture, use or sell any patented invention that may in any way be related thereto. FORWARDED FOR REVIEW AND EVALUATION IN ACCORDANCE WITH PARAGRAPH 5B, AR 525-15. EVALUATIONS AND CORRECTIVE ACTIONS SHOULD BE REPORTED TO ACSFOR OT UT, OPERATIONAL REPORTS BRANCH, WITHIN 90 DAYS OF RECEIPT OF COVERING LETTER. The report is divided into several sections, including operations, personnel, and command and staff changes. According to the report, the 52d Combat Aviation Battalion has greatly increased its aviation support of ARVN operations during this quarter. The battalion continues to provide aviation support to the US Fourth Infantry Division, Military Assistance Command, Vietnam, RVN II Corps Headquarters, and other Free World Military Assistance Forces in the central highlands of Vietnam. During this reporting period, 871 awards were processed and 1000 were approved and received. This includes the receipt of 1 Silver Star, 19 Distinguished Flying Crosses, 6 Soldiers Medals, 23 Bronze Stars, 2 Bronze Stars for Valor, 81 Air Medals, 14 Air Medals for Valor, 59 Army Commendation Medals, 16 Army Commendation Medals for Valor, and 9 Purple Hearts. The following command and staff changes took place on the dates indicated: - BN XO: MAJ Bloemsm, William A. - BN S-2: LTG Burton, James - BN S-3: OPT Worthlngton, Gerald…

Why was this case declassified?

This material entered the public record through the U.S. declassification and Freedom of Information Act (FOIA) process.

Case · DAILY-011

Lessons Learned, HQ 52d Combat Aviation Battalion (Vietnam, 1969)

JUL 6 · 2026Narrated by daily-declassified-lessons-learned-hq-52d-combat-aviation-battalion-vietnam-14 minLast updated July 6, 2026

The short version

Document: Lessons Learned, HQ 52d Combat Aviation Battalion (Vietnam, 1969) Agency: Department of the Army Date: 22 September 1969 Notable: A 54-page unit lessons-learned report from the 52d Combat Aviation Battalion, dated 22 September 1969. The document was released on 22 September 1969, and is available on The Black Vault's website.

Date: JUL 6 · 2026
Release: Declassified · U.S. public record (FOIA)

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What was Lessons Learned, HQ 52d Combat Aviation Battalion (Vietnam, 1969) about?: Document: Lessons Learned, HQ 52d Combat Aviation Battalion (Vietnam, 1969) Agency: Department of the Army Date: 22 September 1969 Notable: A 54-page unit lessons-learned report from the 52d Combat Aviation Battalion, dated 22 September 1969. The document was released on 22 September 1969, and is available on The Black Vault's website.
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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