 Complete the following phrase:  In January 1921, Chaykovsky became head of the combat troops in Tambov Governorate. In August 1921, he became assistant commander of troops in the Minsk region. In 1921, Chaykovsky was awarded the Order of the Red Banner. Between October 1921 and January 1923, he led the 35th Rifle Division. Chaykovsky became acting commander of the 5th Army and the East Siberian Military District in August 1922. He led the 12th Rifle Corps between January and September 1923. He studied at the Higher Academic Courses at the Military Academy of the Red Army from September 1923. Between July and September 1924 Chaykovsky led the 2nd Separate Caucasian Cavalry Brigade in the suppression of the 