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Case File · ARCHIVE-050Declassified
Agency NSAFiled JUL 18 · 2026Runtime 3 min

23apr Akasko

U.S. public record · FOIAUpdated July 18, 2026

◆ BLUF — The short version

Cold open. This is a declassified transmission from the Soviet Union, dated twenty‑third April nineteen‑one‑hundred ninety‑two, catalogued as document number three hundred in the archive. It appears in the Black Vault collection as “23apr akasko,” a rare example of wartime diplomatic correspondence that surfaced through a public‑domain release.

Agency
National Security Agency (NSA)
Date
JUL 18 · 2026
Release
Declassified · U.S. public record (FOIA)
Source document
View the primary source documenthttps://archive.org/details/23apr_akasko
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Episode notes

Cold open. This is a declassified transmission from the Soviet Union, dated twenty‑third April nineteen‑one‑hundred ninety‑two, catalogued as document number three hundred in the archive. It appears in the Black Vault collection as “23apr akasko,” a rare example of wartime diplomatic correspondence…

Source document: https://archive.org/details/23apr_akasko

Questions about this case

What was 23apr Akasko about?
Cold open. This is a declassified transmission from the Soviet Union, dated twenty‑third April nineteen‑one‑hundred ninety‑two, catalogued as document number three hundred in the archive. It appears in the Black Vault collection as “23apr akasko,” a rare example of wartime diplomatic correspondence that surfaced through a public‑domain release.
Why was this case declassified?
This material was released by the National Security Agency (NSA) through the U.S. declassification and Freedom of Information Act (FOIA) process. The originating source document is linked in the case notes above so the citation chain is fully auditable.
intelligence-vault

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Episodes are produced from declassified releases on war.gov, the FBI Vault, NARA, and The Black Vault. Source documents are linked on every card so the citation chain is fully auditable.