Rubuta ci gaba ga wannan sakin layi - A 1941, Kaverin an tattara shi cikin Red Army. Ya yi yaƙi a Yaƙin Caucasus. A watan Nuwambar 1943, ya yi yaƙi a yakin Kiev
Ka yi haƙuri. Kaverin ya kasance direban tanki a cikin Rundunar Tank ta 74 na Brigade na 71 na Mechanized a cikin Rundunar Mechanized ta 9. An bayar da rahoton cewa tankinsa ya keta layin Jamus amma ya sha wahala a kan hasumiyarsa, ya kashe kwamandan, mai harbi da kuma sigina. Kaverin ne kawai aka ruwaito ya tsira a cikin tankin da ke konewa. An ba da rahoton cewa ya kashe wutar kuma tare da bindiga mai linzami da bama-bamai ya kori hare-haren Jamus goma a cikin kwanaki masu zuwa. Kaverin ya kashe sojoji 30 na Jamus kuma bayan ya ƙare da bindigogi ya koma Soviet a karkashin duhu. A lokacin yakin da aka yi a kauyen Khotiv, an bayar da rahoton cewa tankin Kaverin ya hallaka wani rukunin sojojin Jamus da motoci 12. Saboda ayyukansa an ba shi lambar yabo ta Jarumi na Tarayyar Soviet da kuma Dokar Lenin a ranar 10 ga Janairu 1944.