IS-7: Unstoppable Offense - World of Tanks The IS-7 is a Soviet tier 10 heavy tank. Development of the IS-7 started in the spring of 1945. Prototypes successfully underwent trials in 1946 and 1947. However, the IS-7 never saw mass production. #worldoftanks #worldoftanksreplays #wotreplays #wot #МирТанков #вот
