 Nyorai mberi kweiyi ndima - IS-2 yakapinda muhondo muHondo Yenyika II mukati memwedzi yokutanga ya1944. MaSoviet akabudisa nhamba huru dzorudzi pedyo ne4000, uye akaashandisa pasina kubudirira kwakanyanya kurwisana nemagadzirirwo eGermany akabudirira zvikuru panguva iyoyo, kunyanya Tiger I, Tiger II, uye Panther, pamwe chete neElefant tank destroyers. IS2 yakashandiswa zvakanakisisa pakurwiswa kwebunker uchishandisa zvombo zvayo zvinoputika zvikuru, sezvo kuwedzerwa kwayo, kungova nemapurisa maviri paminiti, kwakaita kuti isashande semudziviriri wetangi. IS-3 yakaona basa pamuganhu weChina neSoviet, kupindirwa kweSoviet muHungary, Prague Springuye kumativi ose ari maviri eHondo Yemazuva matanhatu. Zvisinei, kufamba uye simba rokupfura zvematangi epakati uye kushanduka kwetanki guru rokurwa zvakaita kuti matangi anorema asisashandiswi. 