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Security and Intelligence

@DrHelenFry: RT by @SpiesVespers: Between 1942 and 1945, MI9 facilitated the production and distribution of 1.3 million circular brass compasses and 1.6 million concealed maps, designed for incorporation into pouches, purses, and pockets. https://t.co/GwhbqYt642 pic.twitter.com/mTn8CuKZHv