Instead, Ozimin took command of the 28th Rifle Corps on 16 January 1944. He led the corps as part of the 60th Army in the Zhitomir–Berdichev offensive, the Rovno–Lutsk offensive, the Proskurov–Chernovitsy offensive, the Lvov–Sandomierz offensive, and Sandomierz–Silesian offensive, the Upper Silesian offensive, and the Moravia–Ostrava offensive. During this period it captured Lvov, Dębica, Kraków, Leobschuetz, and Opava, among others. For distinguishing itself during the Lvov–Sandomierz offensive the corps received the name of Lvov as an honorific on 10 August. During the operation, Ozimin was described as having "proved himself proved himself to be a skillful and courageous commander, skillfully using the terrain and improvised methods, and ferrying troops across bodies of water with minimal losses," in addition to leading from the front, "personally inspiring officers and soldiers to defeat the enemy." For his "skillful command of the corps and the completion of its assigned combat objectives," Ozimin, promoted to lieutenant general on 20 April 1945, was awarded the title Hero of the Soviet Union and the Order of Lenin on 29 June 1945.