Tom Griffin on intelligence history

Tom Griffin on intelligence history

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Tom Griffin on intelligence history
Tom Griffin on intelligence history
S Branch MI5
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S Branch MI5

Support services 1976-c.1994

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Tom Griffin
Nov 10, 2023
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Tom Griffin on intelligence history
Tom Griffin on intelligence history
S Branch MI5
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S Branch was a division of the Security Service, MI5, formed in 1976 with responsibility for management services.1

At the time of its formation it took over responsibility for the MI5 training section from B Branch.2

According to the organograms in Christopher Andrew's authorised history of MI5, S Branch was responsible for 'support services' including the MI5 registry in 1988.3

In 1991, it was responsible for 'support services; Registry; major project management; information management.'4

By 1994, it had been incorporated into H Branch.5

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