Stauffenberg was commissioned as a (second lieutenant) in 1930. He studied modern weapons at the in Berlin-Moabit, but remained focused on the use of horses—which continued to carry out a large part of transportation duties throughout World War II—in modern warfare. His regiment became part of the German 1st Light Division under General Erich Hoepner, who had taken part in the plans for the September 1938 German Resistance coup, cut short by Hitler's unexpected diplomatic success in the Munich Agreement. The unit was among the Wehrmacht troops that moved into Sudetenland following its annexation to the Reich as per the Munich Agreement.