Living Roots of #GRU in Europe: Did you know Leon #Trotsky established #GRU (Military Intelligence) to provide political and military intelligence to Red Army Commanders. General Sun Tzu said: Know the enemy and know yourself; and in a hundred battles you will never be in peril. pic.twitter.com/67uqkrN4zo
— Klaus von Grewendorp 🇧🇷 (@Grewendorp) August 23, 2024
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