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Case File · ARCHIVE-058Declassified
Agency NSAFiled JUL 18 · 2026Runtime 1 min

27mar London Text Colonists

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

◆ BLUF — The short version

COLD OPEN: This is a declassified document from the British Government, titled "27MAR LONDON TEXT COLONISTS," released through The Black Vault. The document is undated, but its contents suggest it was written in the mid-20th century. Its release provides a glimpse into the inner workings of British intelligence during this time.

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/27mar_london_text_colonists
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Episode notes

COLD OPEN: This is a declassified document from the British Government, titled "27MAR LONDON TEXT COLONISTS," released through The Black Vault. The document is undated, but its contents suggest it was written in the mid-20th century. Its release provides a glimpse into the inner workings of British…

Source document: https://archive.org/details/27mar_london_text_colonists

Questions about this case

What was 27mar London Text Colonists about?
COLD OPEN: This is a declassified document from the British Government, titled "27MAR LONDON TEXT COLONISTS," released through The Black Vault. The document is undated, but its contents suggest it was written in the mid-20th century. Its release provides a glimpse into the inner workings of British intelligence during this time.
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.