Tom Griffin on intelligence history

Tom Griffin on intelligence history

Share this post

Tom Griffin on intelligence history
Tom Griffin on intelligence history
MI5 Structure 1929

MI5 Structure 1929

Tom Griffin's avatar
Tom Griffin
Jan 29, 2023
∙ Paid

Share this post

Tom Griffin on intelligence history
Tom Griffin on intelligence history
MI5 Structure 1929
Share

The following document is transcribed from Defence Security Intelligence Memorandum, 31 May 1929, in National Archives file KV4/127. It sets out the structure of MI5 at that time, a period when many aspects of the organisation, including its name were still relatively fluid. I will add hyperlinks to profiles of the various officers and branches as I complete them.

Keep reading with a 7-day free trial

Subscribe to Tom Griffin on intelligence history to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Tom Griffin
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture

Share