Rubuta ci gaba don wannan sakin layi - A watan Oktoba na 1922, Koptsov ya shiga Kundin Makamai na 46 a Stavropol da Vladikavkaz. Daga baya aka tura shi zuwa Makarantar Sojoji ta United Higher Military mai suna don Kwamitin Zartarwa na Tsakiya a Moscow. A cikin 1925, Koptsov ya zama memba na Jam'iyyar Kwaminis ta Tarayyar Soviet. Ya sauke karatu daga makarantar a 1926. A watan Agusta na wannan shekarar, Koptsov ya dauki umurnin wani rukuni na 49th Rifle Regiment, wani ɓangare na 17th Rifle Division a Nizhny Novgorod. Tsakanin Maris 1927 da Satumba 1928, ya yi aiki a matsayin mai koyar da kwamandan kwamandan don horar da preinduction a Ofishin Soja na Bronnitsy. Daga nan Koptsov ya shiga kwas din horar da sojoji da siyasa na tsawon shekara guda a Moscow, wanda ya kammala karatunsa a watan Satumbar 1929, bayan haka ya zama jami'in siyasa na kamfanin a cikin 3rd Verkhneudinsk Rifle Regiment na 1st Pacific Rifle Division a cikin Musamman Red Banner Far Eastern Army. Koptsov ya yi yaƙi a cikin rikicin Sino-Soviet na 1929
lokacin da yake aiki tare da sashen. A cikin 1931 Koptsov ya kammala karatu daga Leningrad Armored Refresher Courses don Kwamandan Red Army. Ya zama kwamandan kamfani sannan kuma kwamandan bataliya a cikin rukunin Tank na 1 na Yankin Sojan Belorussian.