Nyora kupfuurira kweiyi ndima - Muna 1941, Kaverin akanyorerwa muRed Army. Akarwa muHondo yeCaucasus. Muna November 1943, akarwa muHondo yeKiev
. Kaverin akanga ari mutyairi wetangi mu74th Tank Regiment ye71st Mechanized Brigade mu9th Mechanized Corps. Motokari yake yakashumwa kuti yakapfuura nomumiganhu yeGermany asi yakatambura kurohwa pachigadziko chayo, ichiuraya mutungamiri, mupurisa uye mutsigiri. Kaverin anonzi ndiye chete akapona mutangi raipfuta. Anonzi akadzima moto wacho uye akashandisa pfuti yemapurisa nemagrenade kudzorera shure kurwisa kweGermany kagumi mumazuva akatevera. Kaverin anonzi akauraya varwi vechiGermany 30 uye pashure pokupererwa nezvombo akadzokera kumitsara yeSoviet ari murima. Munguva yehondo yakazotevera yemusha weKhotiv, tanki raKaverin rakashumwa kuti rakaparadza boka revarwi vechiGerman nemotokari 12. Nokuda kwezviito zvake akapiwa zita rokuti Hero weSoviet Union uye Order yaLenin musi wa 10 January 1944.