From December 1923, Rodionov served as assistant "politruk" and then "politruk" of the 2nd company of the 6th Khabarovsk Rifle Regiment. In November 1924 he transferred to the 5th Amur Rifle Regiment of the division, where he served as assistant commander of the long-service platoon and company "politruk", as responsible organizer of the Komsomol bureau and assistant political lecturer of the regimental school, and as assistant company commander for political section. In September 1927 he was sent to the Refresher course for commanders of the Siberian Military District at Irkutsk, and upon graduation in June 1928 was appointed to the 107th Vladimir Rifle Regiment of the 36th Rifle Division, where he served as commander of a platoon, rifle company, and supply company, battalion chief of staff, and assistant chief of staff of the regiment. During the Sino-Soviet conflict of 1929 guarded the Soviet border.