Dr. Dan Lomas Profile picture
May 21, 2023 6 tweets 3 min read Read on X
⁉️ SIS: What's In a Name?

The Secret Intelligence Service has had numerous names over the years, famously referred to as #MI6.

But what other names have there been? A thread🧵 Image
👀 SIS emerges from the Secret Service Bureau, formed in July 1909. Initially seen as covering domestic and overseas intelligence, the SSB soon splits into Home and Foreign sections. In 1916, the Foreign section takes the name MI1(c). Image
Yet there seemed to be confusion over the actual name. SIS is adopted in early 1920, but "Special" and "Secret" was used at several points. The "Foreign Office service" - a reflection of the FO's control - appears, and "C's organisation" - a reference to "Chief" - is also used. ImageImage
Though Secret Intelligence Service, the title today, is formally adopted in early 1920, the cover name MI6 - used by most people today - used at the start of #WW2, is famous. Secret Service, abbreviated to S.S., is also used, though it thankfully disappears.
✍️ The "friends" is another internal reference to SIS. Here there's a reference to "Mr. Hayter's friends", referring to the Permanent Under-Secretary's private secretary, and, from 1949, the head of the Permanent Under-Secretary's Department, who liased with SIS. Image
👀 So that's the story. Peeps, it's not #MI6 😉 Image

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More from @Sandbagger_01

Mar 19
⁉️ Reading a lot of newspaper coverage of intelligence, but what is it: SIS or MI6?

There have been numerous names over the years, but let's explore some more. A 🧵 Image
SIS emerges from the Secret Service Bureau, formed in July 1909. The SSB was divided into two parts: foreign and domestic.

The former was under Commander Mansfield Cumming who reportedly had "special qualifications" for the role.

He would shape the traditions of the service.
Image
Image
In Spring 1916, Cumming's organisation became known as MI1(c) as part of Directorate of Military Intelligence reforms.

The title became a convenient "nom de guerre" and would remain in use even into the inter-war period, even as late as 1939.

The home arm of the SSB became MI5. Image
Read 9 tweets
Jun 27, 2023
📚 Reading about Sir Michael Quinlan's observations on intelligence. In 1994, Quinlan - retired as PUS @DefenceHQ - took on a review of secret intelligence. Why did we need secret intelligence when the Soviets had gone? His argument holds true against those who push OSINT now.
Quinlan's point was that the post Cold War world was "more complex and interdependent, less certain and less stable, with a wider and shifting range of conflict risk". Secret intelligence was needed more than ever in this climate.
Secret intelligence, Quinlan later said, "seeks – whether by unearthing specific nuggets of information, or by building up patterns of understanding to help to help our ability to interpret what we observe – to offset gaps, uncertainties and distortions in what we can find ...
Read 7 tweets

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