Mezue ahịrịokwu na-esonụ: Ná mmalite nke Agha Ukwu nke Patriotic, o nyere iwu na 7th Mechanized Corps' artillery formations. Kazakov sonyere n'agha maka Smolensk na Moscow, wee mepụta usoro ọhụụ maka iji egbe agha mgbochi, nke ndị agha niile nakweere. N'ọnwa Julaị n'afọ 1942, e mere ya onye isi ndị agha Rokossovsky na Bryansk Front. Na ikike ahụ, ọ gara n'ihu na-arụ ọrụ na General na Stalingrad, Don, Central na 1st Belorussian Fronts. Na 17 Nọvemba 1942, ọ ghọrọ Lieutenant General, ma mee ya Colonel-General na 18 Septemba 1943. Kazakov so ná ndị mere atụmatụ maka
Usoro nchebe dị omimi nke Kursk. O sonyere na Lower Dnieper Offensive, na Operation Bagration na agha dị n'ime Germany. Maka onyinye ya na Vistula-Oder Offensive, e nyere Kazakov aha dike nke Soviet Union (Medal no. 5871) na 6 Eprel 1945.