Dr. Thomas Gerdes

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26 April 2025

Photolog

| History, London

MI5: Official Secrets

Handwritten chalk board listing 'Key Aims of Double Cross' with seven strategic points about intelligence operations during wartime, including controlling enemy systems, catching spies, and gathering information on German codes and ciphers. Historical museum display of WWII espionage tactics. — MI5: Official Secrets exhibition at the National Archives, London.

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