Thus , on November 15 , 1923 , the Soviet State Political Directorate left the Soviet NKVD .
Thus , on November 15 , 1923 , the Soviet State Political Directorate became the all - union Joint State Political Directorate .
Thus , on November 15 , 1923 , the Soviet State Political Directorate left the Soviet NKVD and became the all - union Joint State Political Directorate .