 Complete the following phrase:  On January 20, 1925, he was promoted from a Communist cell organiser in the 1st Rifle Reserve Battalion to the Chief Assistant of the Organisational Department of Political Administration of the Ukrainian Military District. On July 7, 1926, he moved to the Ural Military District, while retaining the same role. On December 10, 1926, he was appointed Deputy Head of the Political Department of the 4th Rifle Division of the Belorussian Military District. On the September 14, 1928, he was appointed Assistant to the Commander and Head of the Political Department of the 5th Vitebsk rifle division of the Belorussian Military District. He graduated from the political branch of KUVNAS at the M. Frunze Military Academy in 1930. On June 26, 1930, he was sent to Moscow as the delegate of the 