The Government of the United Kingdom maintains several intelligence agencies that deal with secret intelligence. These agencies are responsible for collecting, analysing and exploiting foreign and dom
The Zimmermann Telegram as it was sent from Washington, DC, to Ambassador Heinrich von Eckardt, the German ambassador to Mexico.
A typical Bletchley Park intercept sheet of an Enigma machine message, after decryption.
Defence Intelligence
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Defence Intelligence is an organisation within the United Kingdom intelligence community which focuses on gathering and analysing military intelligence. It differs from the UK's intelligence agencies
British intelligence agencies
…four main agencies are the Secret Intelligence Service (SIS or MI6), the Security Service (MI5), the Government Communications Headquarters (GCHQ) and Defence Intelligence (DI). The agencies are organised under three government departments, the Foreign Office, the Home Office and the Ministry of Defence. Although the…
The Pathfinder Building at RAF Wyton