Lesson plan
MI1
MI1 or British Military Intelligence, Section 1 was a department of the British Directorate of Military Intelligence, part of the War Office. It was set up during World War I. It contained "C&C", which was responsible for code breaking. Its subsections in World War I were: * MI1a: Distribution of reports, intelligence records. * MI1b: Interception and cryptanalysis. * MI1c: The Secret Service/SIS. * MI1d: Communications security. * MI1e: Wireless telegraphy. * MI1f: Personnel and finance. * MI1g: Security, deception and counter intelligence. From 1915, MI1(b) was headed by Malcolm Vivian Hay. Oliver Strachey was in MI1 during World War I. He transferred to the Government Code and Cypher School and served there during World War II. John Tiltman was seconded to MI1 shortly before it merged with Room 40. In 1919, MI1b and the Royal Navy's (NID25) "Room 40" were closed down and merged into the inter-service Government Code and Cypher School, which subsequently developed into the Government Communications Headquarters (GCHQ) at Cheltenham.
Article summary
MI1 or British Military Intelligence, Section 1 was a department of the British Directorate of Military Intelligence, part of the War Office. It was set up during World War I. It contained "C&C", which was responsible for code breaking. Its subsections in World War I were: * MI1a: Distribution of reports, intelligence records. * MI1b: Interception and cryptanalysis. * MI1c: The Secret Service/SIS. * MI1d: Communications security. * MI1e: Wireless telegraphy. * MI1f: Personnel and finance. * MI1g: Security, deception and counter intelligence. From 1915, MI1(b) was headed by Malcolm Vivian Hay. Oliver Strachey was in MI1 during World War I. He transferred to the Government Code and Cypher School and served there during World War II. John Tiltman was seconded to MI1 shortly before it merged with Room 40. In 1919, MI1b and the Royal Navy's (NID25) "Room 40" were closed down and merged into the inter-service Government Code and Cypher School, which subsequently developed into the Government Communications Headquarters (GCHQ) at Cheltenham.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.