From July 1921, Nichiporovich successively served as a machine gun platoon commander, assistant regimental adjutant, regimental adjutant, and assistant regimental chief of staff in the newly formed 1st Rifle Regiment. He studied at the cavalry department of the 6th Combined Tatar-Bashkir Military School in
Kazan from October 1922, and transferred to the 39th Cavalry Regiment of the
7th Cavalry Division in the
Western Military District (the Belorussian Military District from October 1926) upon his graduation two years later. With the regiment, Nichiporovich successively served as commander of cavalry and regimental school platoons, and assistant regimental chief of staff. In January 1927 he took command of a cavalry squadron of the 40th Cavalry Regiment, and from May 1929 Nichiporovich led the separate cavalry squadron of the
5th Rifle Division. He studied at the Red Banner Cavalry Commander's Refresher Courses (KUKS) in
Novocherkassk from November 1930, and became assistant commander of the 39th Regiment after his May 1931 graduation. After commanding the 94th Cavalry Regiment of the
24th Cavalry Division from June 1935, he became commander of the 39th Regiment in January 1938. Arrested by the
NKVD during the
Great Purge on 7 March, Nichiporovich was investigated and dismissed from the army. In December he was released from arrest after the end of the case and on 19 February 1939 he was reinstated in the army at the disposal of its Personnel Directorate. Nichiporovich was appointed commander of the 144th Cavalry Regiment of the
36th Cavalry Division in the Belorussian Special Military District in March, and made it the best in the division, for which it received a Red Banner after combat training. He transferred to command the 14th Motorized Machine Gun Artillery Brigade in November 1940, which was expanded into the
208th Motorized Division of the
13th Mechanized Corps of the
10th Army in the Western Special Military District in March 1941. == World War II ==