MI1, MI2, MI3, MI4 - Stuff That I Find Interesting

The transcript discusses the roles and history of various British Military Intelligence (MI) agencies, from MI 1 to MI 19. It explains their specific functions during World War I and II, such as code deciphering, geographic information handling, aerial reconnaissance, propaganda, and aiding POW escapes. Some agencies have been renamed or merged over time, but their legacy continues.

Describe the significance of MI5 and MI6 during and after World War One.

What changes occurred to the agencies like MI7 after World War One?